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The Bicycle Wheel 3rd Edition
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By Jobst Brandt
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(34 Reviews)
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Publisher:
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Avocet
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Edition:
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3rd
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Date:
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December 31, 1969 |
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Binding:
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Hardcover
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Pages:
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150
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Customers' Reviews: Add Your Own Review |
Good but I'd like an update and correction, June 8, 2005
By John S. Allen (Waltham, MA USA)
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Unlike some reviewers who would like to see Brandt describe and bless novel spoking patterns, I concur with his recommendation of traditional spoking. The traditional tangent tension-spoked wheel is one of the most elegant and efficient structures ever devised. A wheelbuilder may choose a rim, hub and spokes at will and so, construct wheels of many kinds that are not available commercially. With skill and care, an amateur may build wheels of professional quality. The traditional wheel may be built to the desired degree of ruggedness vs. weight, and if damaged, can often be made usable with an emergency repair or adjustment.
Brandt's advice faces challenges from within the bicycle industry, which is always looking for a new selling point. Wheels with low spoke counts, trendy now (2006) are more tolerable with deep-section aero rims than with shallow rims and can make sense for racers, who are willing to sacrifice reliability for a very slight increase in performance -- but for most bicyclists, it is much more important not to get stranded or crash than to increase speed by half a percent.
Some of the newer types of wheels may sell because they look different, but provide little actual advantage. Wheels with thick aluminum or polycarbonate spokes decrease weight slightly but at a major expense in air drag. Carbon-fiber spokes have a very poor record of reliability and safety, though carbon-fiber-epoxy composite material has been used successfully in rims and in single-piece formed wheels. Still, brake shoes wear carbon-fiber-epoxy quickly, so a metal braking surface is preferable. Don't get me talking about paired spokes, which make a wheel look as if it has fewer spokes -- but require a heavier rim, because longer rim segments are unsupported. The inward pull of the spokes is, after all, about 10 times the lateral pull.
I have built some wheels with radial spokes, but I caught one with a cracked hub flange quite by chance shortly before it would have caused a nasty crash. Since that time I have been very careful which hubs I will spoke radially. As usual, Brandt is correct with his warning on this topic.
There is one serious error in Brandt's book, and I am astonished that it has not been corrected through 3 editions. A graph, on page 39 in the 3rd edition, shows the change in spoke tension with lateral loading of the rim. The left spokes are shown to go into compression. They can't, as they simply flex once they are slack. It might also be asked whether this graph reflects the influence of spokes that are differently stressed as the load is applied at the bottom of the wheel. To do so would require a more complicated mathematical model than I think Brandt was able to command.
I also disagree with Brandt's advice to tension spokes until the rim begins to deform. It can then deform further due to increased stresses during riding, and loosen the spokes. I have seen a new wheel which failed after a few miles for this reason. Spokes should be tight, but should leave a margin of safety. If the rim deforms before the spokes reach their optimum range of tension, then they are too thick for it, or it is too weak for them.
I would really like to see this book updated with today's more sophisticated finite-element analysis, including analysis of stresses in the novel low spoke-count wheels. But for people who are willing to build conventional wheels -- the better choice anyway for most cyclists -- this book is a valuable and fairly comprehensive reference.
58 of 60 people found this review helpful
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Opinionated and Priceless, August 14, 1997
By A Customer
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Jobst Brandt is an engineer who has been a consultant to the bicycle industry for many years, having been involved in the creation of Avocet's line of road tires, among other products. Those who have corresponded with him or read his posts on rec.bicycling know him as an opinionated, seemingly gruff fellow who does not suffer fools lightly. Quite a reputation.
But what Jobst is probably best known for is this book, The Bicycle Wheel. In it, he demolishes myths, and gives actual engineering data to support his contentions about bicycle wheels materials and construction. He tells you why butted spokes are better and longer lasting than straight gauge spokes, and why tying and soldering spokes doesn't make a wheel any stronger (and why it was nonetheless a useful thing for track racers to do). He explains why radial spoking doesn't really make for a rougher ride, as some claim, and he gives actual figures on elongation and strain to back up his claims And he teaches you how to build good bicycle wheels, too.
This is a book for any serious bicycle rider. If you choose to build your own wheels, Brandt will teach you to that. If you buy your wheels, Brandt will teach you to spec and maintain them. And if you're simply interested in better understanding the function and physics of bicycle wheels, he'll teach you that as well. Not a bad deal for one small volume.
58 of 60 people found this review helpful
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The standard on wheelbuilding - but will it stay that way?, September 4, 2001
By John H. Henderson (Las Cruces, NM, USA)
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After having researched cycling for several months, it appears that The Bicycle Wheel by Jobst Brandt is considered to be THE standard reference on bicycle wheel building. This book discusses how the wheel works, forces on the wheel, materials and designs of rims, spokes and hubs, truing, repair, and wheel building. The book itself is nicely bound and printed, with extremely clear diagrams. Space is left on pages when necessary to ensure that the text doesn't get ahead of the figures, which can be rather annoying in something like a repair book. For the most part, I am glad to have purchased this book, but was disappointed to find that a lot of the information in the book, such as wheel truing, materials, component design, and wheel building of a conventional 3-cross wheel, can be gleaned from the internet from such sites as those of Sheldon Brown. Some of the chapters in this book, such as the results of a finite element model analysis of the forces in a wheel, seem to be more unique to this book. Moroever, it is difficult to lay the computer down on the floor next to the wheel that you're building to guide you step-by-step, and the book had better illustrations than those I've seen on the web. Also, the information I mention above seems scattered around the internet, and this book brings them together in one reference. For those who are expecting that The Bicycle Wheel will lead them to build exotic designs with the latest materials and lacing patterns, you will be disappointed. The author is a staunch believer that the bicycle wheel has been nearly perfected in the 3-cross lacing pattern with steel, cylindrical spokes, and that any "improvements" result in very minimal performance increase at the expense of stength. Brandt states, "In most cases [sic] it is best to build standard wheels - standard wheels, but good ones - and not yield to fashion, folklore, or advertising." (Oh yeah - there are missing commas - but that seems to be par for most editing these days.) Later, he states, "They [24-spoke, radially-laced, small-flange-hub, lightweight rimmed wheels - like the Mavic Cosmoses on my bike] lack the long-term durability of road wheels..., " and in the section on Wheel Design, "Cyclists who choose to build wheels often want something more than ordinary,...It may be disappointing to discover that [sic] 'it's all been done before' [sic] and that conventional wheels are a result of a hundred years of refinement. The true contribution for the new wheel builder is to build conventional wheels exceptionally well." Even though this book does have good figures, there are a few places where there are none, and where I wish one were included to help illustrate what's being discussed. One such place is the section on static loads in the tire and rim (pp. 14, 15). In the final chapter, Brandt discusses the finite element computer analysis used to calculate forces in the wheel under different conditions. (Techniques with which I am familiar in electromagnetic applications). The discussion is in-depth enough that reader without experience in numerical methods will be completely lost (it even mentions details such as the method used to solve the matrix equation), but would leave someone with such knowledge (such as me) wanting. Little is lost by the one who does not have the math background, but this book could be more useful to mathematicians among readers if it had another page or two with a diagram, and the equations used to fill the matrix and vectors. It may seem that I have a lot of complaints, but overall, I thought this was a very good book, and believe that a complete library on cycling should include it. The only other book that I've seen on wheelbuilding that seems to be gaining popularity is Shraner's The Art of Wheelbuilding: A Bench Reference for Neophytes, Pros and Wheelaholics. This book is cleverly spiral-bound to allow it to lay flat as you build your wheels. I have not seen this book in person, but plan to review it in the future.
47 of 56 people found this review helpful
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I'm sorry I bought it., April 30, 2002
By Doc Brown (Tenerife, Spain, Canary Islands.)
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I don't know what the others say, but I think the author is an anti-technological stick-in-the-mud. If you are looking for tips & info on how to build your dream lightweight wheelset, then look elsewhere because you won't find it in this book. I read the whole book in one sitting. The diagrams are much bigger than neccessary, for example one per page, and you get the idea they're just added as "filler". Some of the diagrams are repeated throughout the book, further giving that impression. All you are going to find here is the standard way to make 36 spoke 3-cross wheels with double butted spokes. That is it. The man doesn't even agree with radially lacing a fron wheel. Let alone anything like bladed or titanium spokes, low-spoke numbers, ceramic bearings and carbon fiber rims. Let's face it: carbon fiber rims are here to stay, and he's just going to be seen as to conservative if he doesn't agree with anything but the way wheels were made fifty years ago. A lot of what you will find in this book, you will already be aware of. If you've ever really "researched" (for want of a better word) before buying a nice wheelset, you'll already know more "tricks" than this book will tell you. I give it 2 stars, and the only reason I didn't give it one star was because it is entitled: "The bicycle Wheel" not "The ultimate bicycle wheel". Actually I've changed my mind - I'm giving it one star, because it should cover ALL aspects of the bicycle wheel and it certainly doesn't cover lightweight wheels.
37 of 105 people found this review helpful
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Build, maintain and repair your own wheels without fear, July 18, 2000
By Kurt Klappenbach (Glenburn, Maine)
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I have been using Mr. Brandt's book for 19 years now (since its first edition in 1981). It is invaluable. Concise, clearly written. It debunks myths and makes the seemingly complicated matter of the bicycle wheel easy to understand and not intimidating at all. Maintain, repair, rebuild or build new wheels. The results are perfect. Ride without fear. Have pride in what you have done and show it off to others.
21 of 23 people found this review helpful
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Invaluable Guide to Wheelbuilding, April 10, 2001
By RTN (Marin County CA)
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I built my first pair of wheels six months ago using Jobst's book. I had no prior wheel building experience, and no assistance or any other guidance. The wheels have been reliable and remain true after several thousand miles. Jobst explodes the 'myth and lore' surrounding bicycle wheels and provides a straightforward, practical handbook. If you follow the directions exactly, you will be rewarded with durable, true bicycle wheels.
15 of 18 people found this review helpful
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Wheels are complex, but this book makes simple., May 28, 2001
By "richofearth" (Fort Collins, CO USA)
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Years ago, I disassembled my father's front wheel and rebuilt it, just to see if I could. Then I noticed that I'd made some mistakes, so I did it again. And again. Days later, when I gave up, it still wasn't right. I bought a copy of this book, and promptly built myself some wheels that I just retired at around 10 years old. Wheels are *complicated* structures. But this book makes it possible for the moderately competent tinkerer to learn to build the most beautiful, efficient, functional structure s/he'll ever put together. And that's pretty cool.
14 of 17 people found this review helpful
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Great instructions for beginners, June 18, 2001
By Mark A. Schlueter (San Dimas, Ca United States)
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Although Gerd Schraner's book is a little more helpful in "wheel building" (I have his instructions laminated and hanging over my work bench), this book gives a definitive view of the history of the wheel. Great reading and great reference material.
13 of 15 people found this review helpful
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Was great in 1993!, February 14, 2007
By rob (Gold Coast Austalia)
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I've had this book for well over a decade. Way back in the early ninties it was a great book. However, things move along and even if one does not like nor agree with the current deep dishes and low spoke counts the fact is that the upper end of the market has gone this way. And the low end of the market will seek to follow, abliet with many many more wheel failures than the high end. So what is my complaint? This is a book for the purist whom wants to put a wheel together from first principles and have a deep understanding of the what they are ridding on. While I commend those that wish to go that way and am myself not an advocate of counts below twenty-eight and deep dishes, the bicycle wheel is evovleing (or is it devolving?) and as such it is comon to buy paired and completed wheelsets. So even if these new wheels have quite a finite life span when compared to the "ultimate bicycle wheel" they are still "bicycle wheels" all the same. Thus in 2007 the "Bicycle Wheel" should cover the gamut of what is available and how to deal with the new (but perhaps "silly").
13 of 22 people found this review helpful
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The Bible, January 15, 2005
By fixedgear
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Jobst Brandt may be an extremely cranky on-line persona, but this book is the best guide to how bicycle wheels work. The section on theory is clear and easy to read. I was able to lace, true and ride a wheel based on the instructions found here.
11 of 13 people found this review helpful
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Technical and precise guide to bicycle wheel building, December 28, 1998
By A Customer
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I had been building wheels for many years. But it was not until I read this book that I finally was able to distinguish myth from reality. Four cross vs three cross, mixed patterns, butted etc. so many choices. Jobst gives no clear recommendation to the reader, rather he lets you decided for yourself based on the facts. His expertise as an engineer is clear and the section on wheel building is brief but adequate. Maybe there is a future book in the making (hint hint) on how to optimise some standard wheel sets since much of my learning comes by example. Hats off to the author.
11 of 15 people found this review helpful
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Build Your Own Wheels, December 27, 1999
By mason sinclair
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This is the book if you even have a remote interest in building your own wheels. You will not be intimidated by this book. Use the easy to follow instructions and you will have the intense satisfaction of riding on wheels you have done yourself.
9 of 9 people found this review helpful
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The wheel building bible, February 7, 2003
By A Customer
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Without a doubt, this is the accepted resource for wheel builders. I think the book is a well-written information source for the new and experienced builder. If you want to know how wheels work, this book is for you. The engineering explanations are useful and detailed. Some feel the author is a little old fashioned in his view point on new products and wheel design. That viewpoint is implied in a few places in the book, but I don't feel it is over emphasized.
7 of 12 people found this review helpful
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No idea how to rebuild your Bikes wheel, this book will help, May 18, 2007
By C. Hahn (Auckland, New Zealand)
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Having taken apart my mountain bikes wheel thinking it would be easy to fix, clean, and put back together, I found it an impossible task. This book solved that problem almost instantly, two attempts and the wheel has been rebuilt and it's working perfectly. That said, if you only need like I did to build/repair a wheel, thats only one chapter. The amount of technical detail contained is way over the top, and probably unneccessary for most people, not to mention the pages at the back of pure numbers, which I readily admit to having no clue what they relate to.
6 of 6 people found this review helpful
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Review of The Bicycle Wheel, June 13, 1997
By A Customer
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This books details exactly how you can go about building your own bicycle wheels. The updated edition has coverage for modern MTB wheels, and talks around composite wheels (but doesn't tell you how to build them!). Good book
6 of 9 people found this review helpful
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NOT clearly written for average readers, May 31, 2010
By Wheel man (Austin, TX USA)
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This is a terribly-written book. Sections of it are utterly incomprehensible for average readers who don't already understand the structural mechanics of a bicycle wheel. Although I agree with the author's preference for traditional wheel-building, I'd prefer it be written in simpler-to-understand language and include more practical concepts. For example: should I build a wheel with 32 or 36 spokes? He never makes this clear. How do I choose proper spoke lengths? He gives an equation on page 127 that seems impractical or unclear how to apply in actual use. (Am I really supposed to measure flange hole diameter and ""effective rim diameter"" and apply an equation using sine and cosine of the ""spoke angle"" when elsewhere he mentions, but never explains, a ""reference table"" of spoke lengths?)
I'm an average reader who just wants to learn to build wheels. I don't believe this book prepared me to do this.
2 of 3 people found this review helpful
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Nice book. buy it, read it, buy a copy for your mother, August 15, 2009
By Burt Kaufman (Austin, TX USA)
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This book is rather short, with many photos, and illustrations. If you skim through it, you can learn a little, if you read it through, let it percolate for a while, and read it again, you will find ""you have learned much, grasshopper"". So read it again, to learn more. It's that kind of book. Keep it around.
You learn a little theory, it explains what you have seen. You read more, deeper, and you begin to think, about designing a stronger wheel, instead of the tuned compromises we all live with. You also learn spoke sizes and terms, so you can communicate with other people intelligently, on the subject of building better wheels.
This book is better, for learning, theory, educating, but ""The Art of Wheelbuilding"" by gerd schraner is a superior reference work on the work bench.
2 of 2 people found this review helpful
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Nice book. buy it, read it, buy a copy for your mother, August 15, 2009
By JJB (Austin, TX USA)
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This book is rather short, with many photos, and illustrations. If you skim through it, you can learn a little, if you read it through, let it percolate for a while, and read it again, you will find "you have learned much, grasshopper". So read it again, to learn more. It's that kind of book. Keep it around.
You learn a little theory, it explains what you have seen. You read more, deeper, and you begin to think, about designing a stronger wheel, instead of the tuned compromises we all live with. You also learn spoke sizes and terms, so you can communicate with other people intelligently, on the subject of building better wheels.
This book is better, for learning, theory, educating, but "The Art of Wheelbuilding" by gerd schraner is a superior reference work on the work bench.
2 of 2 people found this review helpful
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The authoritative work on bicycle wheels, August 9, 2007
By P. Sørensen (Denmark)
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Despite Jobst Brandt's engineering background, the book is written in a pleasent, easy to understand, straight forward style. The illustrations are plentiful and beautyfull. Layout, illustrations, typography, subject matter and writing style are matching each other very well.
This book is not only about building bicycle wheels, but also about understanding how the wheel works, and why some wheel designs are better than others. Jobst Brandt has performed a lot of experiments and therefore dispels a lot of myths based on research.
The book is too terse in my opinion, regarding spoke length calculation and hub measurements. It is not that the information isn't there, but complete beginners, who perhaps aren't using math equations very often, must find it intimidating.
In that regards, Roger Musson's ebook "Wheel Building" is much more practical and easy to understand.
But Jobst Brandt's book is still better than any other source on wheelbuilding I know of.
Finally, the most important myth Jobst Brandt dispels is that you have to some kind of special talent to build wheels. Jobst Brandt demonstrates that wheelbuilding can be easy and that everyone can do it with good results. So go get a truing stand and a spoke key and start to build your own wheels.
2 of 2 people found this review helpful
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Nice book. buy it, read it, buy a copy for your mother, August 15, 2009
By V8 (Hill Country, Edwards Plateau, Texas)
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This book is rather short, with many photos, and illustrations. If you skim through it, you can learn a little, if you read it through, let it percolate for a while, and read it again, you will find "you have learned much, grasshopper". So read it again, to learn more. It's that kind of book. Keep it around.
You learn a little theory, it explains what you have seen. You read more, deeper, and you begin to think, about designing a stronger wheel, instead of the tuned compromises we all live with. You also learn spoke sizes and terms, so you can communicate with other people intelligently, on the subject of building better wheels.
This book is better, for learning, theory, educating, but "The Art of Wheelbuilding" by gerd schraner is a superior reference work on the work bench.
2 of 2 people found this review helpful
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Good book, most recent edition still slightly dated., January 27, 2010
By Bill (Chicago)
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Great book on wheel theory, breaks down complex topics to be understandable by most savvy mechanics. One thing I don't like is that it's a bit dated, to 8 speed clusters/casettes, and while Brandt is somewhat infamous for taking a ""if it aint broke don't fix it"" approach, some of the advances in the last few years SHOULD be considered, especially in hub flange design (new Dura Ace/Ultegra straight pull hubs that still allow tangential spoking come to mind) Would also like to see some info about the R-Sys style ""wagon wheels"" and how that might factor into wheel building. Jobst also barely touches on modern materials like carbon fiber rims, different alloys like scandium, etc. GREAT book for 10 years ago, basically.
1 of 1 people found this review helpful
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the original and one of the best, December 11, 2008
By thanks. (East Side, USA)
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This is the classic book on wheel design and construction. There's a reason it's been in print since the early 80's: and that's because it's a thorough book. 2 parts - first explains why wheels are built as they are and the second is how to build one for yourself. The only thing missing is the parts and a wheel building stand. I recommend buying the best Park stand you can afford (review forthcoming).
I've built two sets so far. One for my tourer and another for my road bike. Both have turned out better than I expected for my first time through. Happy wheel building!
1 of 1 people found this review helpful
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Good info, August 22, 2010
By Richard (MN)
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Having never built a wheel but, have trued my own wheels for years, I found this book to be very informative.
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More than an instruction manual, January 5, 2009
By J. Grunenberg (Texas)
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I've been building wheels for a while, though infrequently, and have used The Bicycle Wheel along with internet sources to help build wheels.
I still look for a good reference book, and Jobst's book is a very mechanical way of writing. It can be followed, but I've read and followed better instructions. Hire a ghost writer for this section with the next revision of the book if you have to.
I'm still looking for a better book, and while this book does have it's flaws it also gives background into why the author instructs you the way he does.
Like many others, an updated version would be well worth the time invested. I admit to being curious on Jobst's take on trends like prebuilt wheels, low spoke count wheels, wheels with aluminum alloy spokes and other fads in the marketplace.
As a pure instructional piece, it would be only 3 stars. It reads like stereo instructions. With the extra FEA and charts and background it demystifies the art of wheelbuilding, but to get there you have to muddle through it's science. :)
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Simply the TOP!, March 3, 2011
By Alessandro Ricchi (Colli del Tronto (AP)
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Without doubt, the most complete and satisfying book talking about the art of wheelbuilding. Simplicity and clearness: the gifts of an everage teacher!!
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timeless, December 18, 2010
By Michael Guerra (Kerrville, Texas)
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I built my first set of wheels using this book in 1985. And I am still riding on those same wheels today. And I just pulled the book out and built another wheel tonight. Enough said.
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THE Book, November 12, 2010
By Doh (Pickering, Ontario Canada)
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This is the key book. I got it when it came out. I have two other wheelbuilding books, but this is the one I return to. It isn't all that friendly to the casual reader, it's a bit textbook like. What really maters is building solid wheels, and that is only a small part of the book. The title is accurate, but do most people care about bike wheels, or do they simply want to build good wheels. You decide.
I agree about the wheel tacoing advice. I wrote Jobst about that, and he seemed to believe it wasn't applicable to today's stiffer rims, and the widespread use of tension gauges and factory spec.
My only reservation is that so much of this info is online today. I build wheels infrequently, and it is a combination of Seldon's lacing diagrams, Jobst stress relief methods, and factory specs.
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Want to build wheels? You need this book., November 6, 2010
By SkyGuy (Alabama)
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I am a mountain biker who got tired of taking my bike to the bike shop every time I broke a spoke. But, I live in a rural area and it is hard to find a mentor to teach me the skills needed. I first bought "The Art of Wheel Building." I liked the spiral binding and thought it would work well in my shop. But, after reading it I felt that my education was incomplete. I bought this book and read it in an afternoon. I found the engineering data not only interesting but also, important to understanding wheel maintenance and design. I'm glad I have both books and niether takes very long to read and understand.
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More than an instruction manual, January 4, 2009
By J. Grunenberg (Texas)
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I've been building wheels for a while, though infrequently, and have used The Bicycle Wheel along with internet sources to help build wheels.
I still look for a good reference book, and Jobst's book is a very mechanical way of writing. It can be followed, but I've read and followed better instructions. Hire a ghost writer for this section with the next revision of the book if you have to.
I'm still looking for a better book, and while this book does have it's flaws it also gives background into why the author instructs you the way he does.
Like many others, an updated version would be well worth the time invested. I admit to being curious on Jobst's take on trends like prebuilt wheels, low spoke count wheels, wheels with aluminum alloy spokes and other fads in the marketplace.
As a pure instructional piece, it would be only 3 stars. It reads like stereo instructions. With the extra FEA and charts and background it demystifies the art of wheelbuilding, but to get there you have to muddle through it's science. :)
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Essential for every home bicycle mechanic., November 11, 2008
By 8 valve hero (10th Ward, NO, LA)
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'The Bicycle Wheel' by: Jobst Brandt is a must have for every home bicycle mechanic.
It explains in simple terms the theory of the spoked wheel and how to build, maintain and repair them. It contains many pages of diagrams and graphs for reference and a glossary of terms.
If you are interested in building your first wheel set, this book is a MUST!
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The best, May 27, 2008
By unijuul (Norway)
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This is the 4 wheelbuilding book I have read. And simply the best. A must for a Wheelbuilder.
0 of 2 people found this review helpful
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Creates his own myths, July 13, 2011
By rdtindsm (Small town central Iowa, USA)
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I bought the book some time ago so that I had access to the the source to counter his argument that a bicycle stands on the bottom spokes rather than hangs from the top as common sense would dictate.
Common sense is right, but I won't go into the details of the fallacies in his argument. But he starts out by stating that any body that disagrees with him is ignoring science, evidently because of the criticism of brighter minds. He ignores the fact that there is no way on the little green earth of what ever god you worship that you can use a rope to support something from the bottom. I use the term rope because spokes have essentially no bending resistance and wheels have been built with string as spokes. You simply can't use them to push up.
His conclusion must of necessity be wrong; I only bought the book so I could examine his explanation in detail as an exercise to find his errors. I took me the better part of a year and the development of a number of increasingly sophisticated models to figure out how a bicycle wheel actually works and to discover the logical and sophistic fallacies that he presents. For example, he doesn't understand the engineering principle of superposition and presents an example that has no relevance to make his point. Others have pointed out that you can't put a spoke in compression, and I have never been comfortable with his "incipient taco" tension method, and certainly never used it in any wheel I've built.
The book is reasonably good for explaining how to lace the wheel, and the only reason I rated it as high as I did.. His FEA analysis is interesting and does present some counter-intuitive information about spoke tension. He is not a god; one would do better to look for another book.
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Technical inaccuracies abound, September 28, 2011
By honda guy (san fran)
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This book, while it tells you how to build a wheel, (although missing several key points about hub positioning and spoke alignment), contains a number of serious technical mistakes that will disappoint or even mislead anyone thinking this will illuminate the engineering aspects of wheel construction as it purports to do.
More obvious examples:
1, Page 30: The stress/strain plot is for plain steel, not the stainless steel wire spokes are actually made from. Although the stress/strain plot for stainless is correctly shown on p125, the plain steel plot is used to draw incorrect conclusions about strain aging and fatigue behavior.
2. Page 35: Wheels do not collapse if spokes go loose because rim materials have both tensile and compressive strength. They become less stiff, but collapse is a function of rim strength, not spoke tension (see #10). And pre-load is misunderstood. The higher the pre-load, the lower the capacity for applied load in materials with both tensile and compressive strength.
3. Page 46: To refer to all slimmed spokes as "swaged" is incorrect. Swaging is a specific hammering process. Other means of achieving this effect include drawing and grinding. Since all three methods are used in different spoke manufacture, the correct generic should be "butted" since it covers all methods, not just one.
4. Page 57: Anodizing is not observed to be the cause of rim cracking. Analysis shows that cracking also occurs on unanodized rims and is a function of excess spoke tension and rim extrusion anisotropy, so the purported connection is incorrect.
5. Page 72: Advocating the need to "correct the spoke line" on a new hub before the hub hole has deformed is to misunderstand the final form of the hub/spoke relationship and actual hub geometry.
6. Page 74: Advocating the need to "stress relieve" for fatigue resistance is to fundamentally misunderstand the nature of fatigue initiation, to fundamentally misunderstand the nature of deformation and a complete failure to analyze broken spoke fatigue fracture surfaces correctly. All spoke elbow fatigue failures are observed to initiate at regions of high bending stress, not high residual stress. The advocated practice of over-tension thus cannot metallurgically address the surface initiated fatigue observed in failures as postulated. All over-tension can do is embed the spokes in the hub and rim, thus helping to ensure tension evenness which in turn mitigates excess spoke bending stress. To state otherwise is a major technical over-step - it is impossible to thus "cure" metal fatigue in a material that has no fatigue endurance limit such as stainless steel spoke wire.
7. Page 105: The method described causes excess spoke tension. See #4.
8. Page 119: This formula fails to account for spoke material, a fundamental component in stiffness, and thus deflection.
9. Page 123. In the "Scientific Method", the format is Objective, Method, Results, Conclusion. Brandt does not give results, only his conclusion. To credibly contest an industry practice, he needs to publish a table of measurements to allow others to compare and do their own statistical analysis.
10. Page 131: This is a load calculation, and a load calculation cannot alone predict strength, the premise used to justify high spoke tension - this is a fundamental mistake.
Conclusion: This book needs substantial technical revision. #9 is particularly problematic because this failure to understand basic principle results in excess spoke tension practices, which in turn lead to premature rim failure and have had a significant negative impact throughout the bicycle industry. It is a thoroughly disappointing read.
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The Bicycle Wheel (3rd Edition), September 27, 2011
By mmccullagh
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For anyone intending building /lacing-up a wheel of their own, this book is an essential item to have in your library. This book is equally at home in your tool shed reference library, or in your house library. The book is beautifully bound in hardcover with a wonderfully considered, restrained and crafted cover graphic. The information contained within is both interesting and detailed, with articles of interest to those of a vastly more technical background as Brandt goes into great detail describing the physical engineering of wheels, and will no doubt those bicycle anoraks amongst us by analyzing in detail various wheel types and lacing patterns and their attributes and suitability for various ride types. The book contains a detailed step-by-step set of instructions on how to build up a 3-cross spoked wheel with detailed diagrams and useful tips on truing and correct spoke tension. The book is written by Brandt (A Ferrari Engineer in his day) in a wonderfully unassuming manner as a person who has clearly built a few bicycles in his day and is like an almanac of his experiences laid bare, and contains blank pages for those practicing bicycle engineers amongst us to add our own notes. I cannot recommend this book highly enough. i've used my friends copy for years and thought it was time I had one of my own.
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