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Kenda K40-HP Street Wire Bead Bicycle Tire, Gumwall, 26-Inch x 1-3/8-Inch
Show more by Kenda
Average Rating: 4.5 star rating (12 Reviews)
Our Price: $14.64
Availability: Usually ships in 24 hours
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  • Tires for older styles of 3spd and 10spd bikes
  • It is 26 inches x 1-3/8 inches EA-3, ISO 590
  • Manufactured by Gumwall
  • Designed with Wire Bead
Product Description:
Kenda K40-HP Street wire bead bicycle tires for older styles of 3 speed and 10 speed bikes. It is 26 x 1-3/8-Inch EA-3, ISO 590. Manufactured by Gumwall. Designed with wire bead.
Customers' Reviews:  
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5.0 out of 5 stars.  Kenda K40 on `80s coaster bike, September 7, 2010
By Val S. (Baltimore, MD USA)
A pair of (37-590) Kenda K40 "gumwalls" was used to refresh an older Free Spirit bike. Tires mounted reasonably well considering the condition of 30-year-old rims, but make sure the bead is in fact seated evenly before inflating to recommended pressure. A small rib should be visible just above the rim edge, and will help you judge if tire is in place.

My friend is a very happy camper now, and so am I for being able to help out.

Overall, these tires are good enough for the price, mount, look and roll very nicely. The 26 x 1-3/8" was very hard to find locally, and thank you Amazon for keeping the stock.

* Note: One-star reviews for these elsewhere on Amazon are not all deserved. These are *NOT* MTB-sized 26" tires despite a "26" appearing in the size - read specs carefully.

** Tires came in two large flat packages, but could have easily fit in one. This means the wire beads were not bent even a slightest bit (vs. if two were packed in the same box). Amazon could have easily saved on shipping, but didn't this time, which is a nice touch!

8 of 8 people found this review helpful

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4.0 out of 5 stars.  Seems good to me, December 13, 2010
By Kenneth Florek
I ride a bike that was sort of retro when I bought it in 1973 at the height of the ten-speed craze. It is a hub 3 speed. Tires for it are not common any more. I bought this tire because it has a higher max rated pressure, like 80 pounds, so I could put 65 pounds in them like the original Raleigh tires had when I got the bike.

I began riding it again regularly, like 6 hours a week, when it is above 40 degrees, about 4 years ago, so the tires do get quite a lot of use. I had the exact tire as this one just previously. It looked just slightly worn when it gave out after 7 months. The same thing happened to me with a different, lower pressure, Kenda tire after a year and a half of use. What happens is the cord in the tire rips and the tube starts to squeeze out. I didn't over-inflate the tires.

Nothing happened immediately before the event. I hopped on the bike to get back home from where I was. Everything seemed normal for about five minutes. Then a noise like something was stuck on the tire started, and got noisier fast. I got off to take a look. The hole in the tire expanded, and the surrounding area bulged, as I watched. I recognized this as what happened to the previous tire. I let out most of the air in the tube so it wouldn't blow up and walked about two hours home.

The tire was hardly worn, so it wore well. 7 months of use is alright with me for the price. But I never had a problem like this with tires before. Before this, they wore out and I switched tires.

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Added July 29, 2011

This June, the same type of tire failure occurred on the front tire, where the other two were on the back, so this is at around 2 1/2 years of use. The tread is not very worn. The front still had the low pressure K-40 (versus this high pressure K40-HP). Since all the weight is on the back, I was able to lower the front pressure to 30 pounds, enough to keep the tire from looking flat, but so the tube and tire liner wouldn't bulge through, and I could ride the bike home. It is just hard to ride that way.

Since no one else has this type of failure, I'm thinking of what could be different. Maybe it is the anti-puncture tire liners I use wearing the cord from the inside by rubbing friction. They are are lot tougher than rubber tube.

3 of 3 people found this review helpful

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1.0 out of 5 stars.  horrible, December 2, 2011
By R. Jantz (New Haven, CT, United States)
Like another reviewer mentioned, each tire came in its own box. In my case at least, the boxes were a little too small.

During mounting I noticed a few spots where the side wall had an inconsistent thickness. I inspected the other and found the same thing, assuming this was normal I mounted them and inflated. Everything went ok with the first one, the bead seated nicely and I set it aside. While mounting the second I heard a loud pop, the 1st one had busted right through the sidewall. I continued with the second. After inflating to 70psi (I was too afraid to go to the recommended 90) I saw waves forming in the sidewall.

I would not recommend these tires at all, it seems the quality control leaves something to be desired.

2 of 2 people found this review helpful

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4.0 out of 5 stars.  Great Looking, Good Performing, Great value, October 4, 2010
By Euthyphro (NorCal)
I put these tires on an old singlespeed conversion and they look great. The wheels were originally mounted with 26 1 1/4 knobby tires. These are slightly thinner and more appropriate for mild road use. I ride my bike about 10 miles a week on clean, smooth roads.

The gum walls look very retro and unusual. They definitely improved the look of my bike enormously.

The tread is pretty mild and they roll easily on paved roads. I haven't had any trouble with the occasional small puddle or patch of dirt and leaves.

I would not use these in an area where glass, thorns, or potholes are an issue. These don't look like they could handle serious riding and would most likely pop a tube if they were ridden in hard situations. Don't expect to go jumping off sweet ramps with these.

They installed very easily and I think I'll get several hundred miles out of them. I recommend these to someone looking for a cheap way to get a bike rolling for mild to moderate use. If you are a serious rider or ride in adverse conditions, spend a little extra and get a decent brand name tire.

1 of 1 people found this review helpful

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5.0 out of 5 stars.  just what i needed, November 8, 2010
By Bobby
The tires were exactly the size that i needed, they were brand new and fit great.
Will buy again.

1 of 3 people found this review helpful

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5.0 out of 5 stars.  bicycle tires, September 2, 2011
By Charles I. Walker (ANDERSON, SC)
tires arrived as scheduled in good condition and on time. they have been mounted and are riding very well. no problems with supplier or product.

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5.0 out of 5 stars.  original style, August 24, 2011
By weekendrider2011
These tire are perfect for my 12 speed.They match the original tires on the bike,exactly what I was looking for.The tires fit right on and look great.They hold 90 psi max,which make them really quick.Nice find!!!

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4.0 out of 5 stars.  Great price yet true size was not disclosed, June 16, 2011
By Yardman96
This 26 fractional tire does not fit a modern 26 mountain bike, the description should state exactly which size tire rim it should fit

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4.0 out of 5 stars.  Nice tire at a decent price, January 30, 2011
By Redleg
I bought these tires to replace the 35 year old Carlisle US made gumwalls on my Murray 3 speed. I am very happy with the tires, they look great, fit perfectly and ride very well at 65 psi. They keep my old bike looking "old skool" and I've gotten a lot of compliments. I experienced no problems mounting them and they were shipped out to me very quickly. I got both tires delivered to my door for under $20. I would have given them a 5 star, but since they are Chinese and not American made I knocked one off. I'm keeping my original US made tires in case I want to sell the bike in the future and for historical purposes. I can only hope they will last as long as the originals.

0 of 1 people found this review helpful

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5.0 out of 5 stars.  Good Tire, Great Value, February 15, 2012
By Dufflebum
I've had these tires on my bike for 7 months and I love them. They look good on my 80's model 10 speed and seem to be very durable. They work and they are cheap. Can't beat them.

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5.0 out of 5 stars.  Great Product and Better Yet !!! THE PRICE, Great Company, December 10, 2011
By Happy Camper
I was so happy to find such a great deal on these tires and the price was the best I could find anywhere, Walmart wanted 20.00 per tire, I got two for under 20.00.

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5.0 out of 5 stars.  Very Pleased, September 6, 2011
By emily
I received exactly what I ordered, and with quick delivery, too. Thank you very much, I'm already back cruising the streets!

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