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Clydesdales/Athenas (200+ lb / 91+ kg) Looking to lose that spare tire? Ideal weight 200+? Frustrated being a large cyclist in a sport geared for the ultra-light? Learn about the bikes and parts that can take the abuse of a heavier cyclist, how to keep your body going while losing the weight, and get support from others who've been successful.

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Old 08-27-09, 10:05 PM   #1
takingcontrol
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tire report failed 500 miles

Just wanted to post this, my rear tire a 700x32c Kenda Kwest failed at the bead yesterday (1/2 inch tear)
It was the tire that came with my bike and has 503 miles on it. It has worn in one spot to a green under layer. I have had zero flats until this blowout but it has been removed a few times for spoke replacement.
Note, I started riding at a weight of 526lbs so not everyone may have this issue.
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Old 08-27-09, 10:19 PM   #2
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Dude!
My sister's Kenda Kwests failed on Thursday! We were riding along and she said "SOMETHING IS TERRIBLY WRONG!" And part of the tire had melted, and big bubbles formed and made it uncomfortable to ride. We thought they might burst so we had to walk home.

Luckily she'd bought the bike at REI, and when we brought it in to ask about it, they replaced it with a Vittoria Randonneur Cross (with Kevlar flat protection ) for free!

(Note: My sister doesn't weigh 526 pounds )
(PS: Congratulations on your weight loss--UNBELIEVABLE! GOOD JOB!)
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Old 08-28-09, 06:38 AM   #3
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Thank for the information. I didn't like Kenda tires on my motorcycles either because of many different knobs coming off way to early in its life.
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Old 08-28-09, 07:15 AM   #4
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perhaps completely unrelated, but I have had nothing but bad luck with Kenda tires.

Latest issue was some 700*23's I bought for my training / rain bike (on sale for ~$15) would not stay on the rim. 4 tubes later I took them back and spent some more $$$$.
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Old 08-28-09, 09:52 AM   #5
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FWIW, I had a similar failure with a Continental GP 4-Season tire recently: the bead decided to separate from the sidewall after only 1500-2000mi of use. Absolutely no way to repair it on the road, either

I'm down to 170 from a peak of about 210, so weight shouldn't have been an issue for me. My guess is that my tendency to jump on the bike without checking the tire pressure allowed the tire to squirm around on the rim and eventually wore away the rubber connecting the bead to the tire. The amount of rubber in this area may have been defectively thin, since I've been using quite a few Continental tires and never had any problems with them. In any event, I now check my tire pressure on a much more regular basis!
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Old 08-28-09, 10:21 AM   #6
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Yeah I checked mine before this ride. I didn't when I first started riding, I just felt them(squeezed with thumb) but I have found that you can't really tell the difference between 40lbs and 90lbs with that particular measuring device. So now I use a pump with a preasure gauge.
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Old 08-28-09, 10:23 AM   #7
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If you wore it down to the protector strip (the green under-layer) then you got your money's worth from it.
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Old 08-28-09, 10:25 AM   #8
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yeah I guess, but 500 miles? Some riders do that in a month.
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Old 08-28-09, 10:52 AM   #9
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I had an issue with Bontrager 25c tires. forget which model need to look at what's in the garage. After about 200 miles it got a nice bulge in the sidewall, then blew up 5 miles after the bulge formed.
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Old 08-28-09, 11:36 AM   #10
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I've yet to hear anything good about any Kenda tires. If there are good ones, someone let me know.
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Old 08-28-09, 12:55 PM   #11
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Quote:
Originally Posted by terbennett View Post
I've yet to hear anything good about any Kenda tires. If there are good ones, someone let me know.
The Kenda John Tomac-series Nevegal and Small Block 8 mountain bike tires are awesome!
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