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Cracks in a Bontrager Select Wheel on My Trek 1500...

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Cracks in a Bontrager Select Wheel on My Trek 1500...

Old 11-29-07, 08:17 PM
  #26  
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Originally Posted by chinotex View Post
Also, this paired spokes thing... what's that about? If I'm going to be getting a new Bontrager Select to replace this one, what should I look for in a future upgrade? I'm pretty heavy (230) and ride on some pretty bumpy roads often. But I was surprised how long these wheels lasted -- looking at them, I half expected them to get bent out of shape quickly, due to the low spoke count (24) and cheap-ness of them.
Paired spoking solves a problem that doesn't exist. The claims are that you can build a lighter wheel with paired spokes because the spokes run at a much higher tension. The pairing keeps the rim from snaking under all that tension (which is what would happen with the same number of spokes evenly spaced).

The problem is the unsupported span of rim between the pairs. Another problem is the high tension.

You have to build a heavier rim to handle the tension at the spoke holes, and heavier again to handle the unsupported span. Then you have to build a heavier hub flange to support the higher tension at that end.

What you end up with is a hard-to-maintain wheel that is not more durable, not lighter, and not more aerodynamic than a conventional wheel.

The lightest wheels out there have evenly spaced spokes.

So do the most durable.

And the most aerodynamic.

Paired spoking sure looks cool though.
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Old 11-29-07, 09:16 PM
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I've had the same problem with my Bontrager Race wheels - twice. Both times the shop warrentyed them. The mechanic said if you ride them a lot, they're going to crack. I'm 210 lbs and put on about 4000 miles a year. --cyto
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Old 11-29-07, 10:07 PM
  #28  
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Originally Posted by chinotex View Post
Also, this paired spokes thing... what's that about? If I'm going to be getting a new Bontrager Select to replace this one, what should I look for in a future upgrade? I'm pretty heavy (230) and ride on some pretty bumpy roads often. But I was surprised how long these wheels lasted -- looking at them, I half expected them to get bent out of shape quickly, due to the low spoke count (24) and cheap-ness of them.
same here. assuming you're on a budget, you could do what i did for my winter bike, which was to replace my crappy Alex wheels with a set of Mavic Open Pros with 105 hubs. cost me $300 and the wheels seems pretty bomb proof to me. in fact, it's like a new bike now. my LBS got them for me in about a week.
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Old 11-29-07, 11:32 PM
  #29  
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Originally Posted by chinotex View Post
A) How long can I safely ride on a rear wheel like this? So far there are only two cracks, the ones pictured.
B) Are there warranties for things like this? I never got any warranty paperwork when I bought my bike, and I didn't register it or anything like that (That's my fault, I was a complete noob impulse buyer when I bought the bike back in May).
C) If I need to buy a new wheel/wheels, is it ok to just get a new rear wheel? What should I go with? I don't have much money to spend, and I think my parents have already bought my christmas presents, and there's no way anyone other than them would buy me a wheel. So it's all on me. I don't want anything too expensive, but I'm always weary of the cheapest thing available.

Please help.
A) Biffed. Don't ride. Cracked rims will either not stay in true or fail. One's not good...the other is worse. I leave it to the reader to figure out which

B) Most shops...at least the ones worth a damn...keep records. Go talk to them.

C) The front wheel really doesn't care what the back wheel is doing and vice versa.

Look at Jenson, Cambria, your local shop, etc for a replacement if you have to. But try the warranty thing first.
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Old 11-30-07, 08:50 AM
  #30  
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So, I have an 07 LeMond Sarthe I will be picking up in about a week from my LBS, which has the Bontrager Race wheelset on the bike. Would the consensus be that I should have these upgraded before I take delivery? Looks like it would be worth discussing with the shop owner.
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Old 11-30-07, 11:37 AM
  #31  
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Bontrager Select (as shown) just have a hole, the spoke nipple goes through.

Other Bontrager rims (RaceLite?) have an eyelet to help distribute the load. That makes a difference
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Old 11-30-07, 03:38 PM
  #32  
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The Bonty Races don't have eyelets either. I imagine they're all susceptible to failure, but I would hope having eyelets does make a difference. If Trek hasn't redesigned their select and race rims to alleviate this issue, I would questions their business strategy. My LBS told me that they've seen the hub flanges fail on these too, but also emphasized that he's seen both rim and hub failures from all low spoke count wheels, not just with Bonty. Before hearing this I hadn't paid much attention to checking my flanges, just my rims...now I'll keep an eye on both. It really is too bad these have such a high failure rate, they are nice wheels to ride, and the spoke spacing makes it a bit easier to get a rag on the hub to wipe it down and keep it shiny.

-Jeremy
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Old 12-01-07, 03:09 PM
  #33  
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Well, after going to 3 or 4 bike shops, I bought a new set of Mavic Aksiums. I was going to go for the Open Pros that they had, but the guy working in the shop (who also was pretty big, I think he said 220) suggested the Aksiums... said he has ridden them with no problems for a while now, and that they are a lot lighter than the Open Pros, and cheaper too. So we'll see how they work out. The Open Pros were a little hard to look at for me... After having 20 spokes in the front and 24 in the back with my Bontrager wheels, I felt like the Open Pros looked like Cadillac wheels, with all those spokes.
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Old 12-01-07, 11:07 PM
  #34  
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I ripped a spoke throught the rim on mine a couple of months ago. You don't have to replace the entire wheel. They can simply replace the rim and rebuild the wheel. However, when I took mine in, the rim took about 3 weeks to come in - they were on backorder, so you may want to inquire about a loaner wheel while its in, or get them to order the rim now if you want to stick with the Bontrager wheelset. (I've had no other problem with them).
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Old 12-01-07, 11:27 PM
  #35  
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Originally Posted by Made_In_Warsaw View Post
Yes, they do.
No not really....Would you like me to tell you how many sets of them I own and how many people around here ride them...? I'm not trying to start a flame war...but there has not been any type of major problem with the higher model Bonty Wheels where I'm from. The lower models like the Selects and the Race are designed differently than the Lites, X LItes XXX etc.. Yes...every manufacturer has problems from time to time, but honestly...when mine went Trek repalced them right away with no hassles whatsoever. Of all the sets I've owned and still own...only one sets ever cracked or had problems.
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Old 12-02-07, 12:01 AM
  #36  
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^^^

Don't waste your time explaining. My shop is Trek only... I guess that means I see more Bontrager wheels than you.
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Old 12-02-07, 12:31 AM
  #37  
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Originally Posted by cycle17 View Post
No not really....Would you like me to tell you how many sets of them I own and how many people around here ride them...? I'm not trying to start a flame war...
Yes really, they do break, any kid online can do a simple google search and turn up Bontrager Race X-Lite on roadbikereview.com. Or ask for examples online.

1st review mentions hairline cracks:
http://www.roadbikereview.com/cat/wh...5_2490crx.aspx

No offense, but no one cares how many you've owned or how many own them... They're massed produced, we got it already.
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Old 11-23-08, 11:36 AM
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Cracks in Bontrager wheels

I saw your post about cracks in the rim of your Bontrager wheel in doing Internet research about the failures of rims of Bontrager wheels. I have had cracks in the rims of two Bontrager wheels over this past six months. I have tried to get Trek to honor its warranty by going through the bike shop that sold me the bike and the wheels. However, it seems that Trek is simply ignoring the problem. I wanted to find out whether you ever got anything from Trek in response to your warranty claim, and whether you have heard anything more about problems with Bontrager wheel rims?
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Old 11-23-08, 12:08 PM
  #39  
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I had the same problem - cracks around the spoke nipples - on my rear Bonty Race wheel. I'm about 170lbs., and the wheel had something like 6000 miles on it or so.

I found the problem when I was cleaning the wheel before a race - 8 of the 12 drive-side nipple holes had cracks around them. I immediately took it in to my LBS, the owner took some pictures and contacted Trek. He told me I could go ahead and keep riding the wheel until the replacement came in. He said the chance of catastrophic failure was pretty slim, most likely a spoke would pull through and the wheel would go out of true, but it wasn't going to collapse.

It took about two weeks to get a replacement wheel from Trek, during that time I probably put another 500 miles on the wheel including a couple of races, didn't have any problems. I didn't need a receipt or any other paperwork, the LBS took care of everything.

Trek sent a complete replacement wheel. It looks pretty much the same as the previous one. I'll keep an eye on it, of course, but otehr than this issue I've been pretty impressed with how sturdy these low-spoke-count wheels have been.
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Old 11-23-08, 02:36 PM
  #40  
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This subject has been covered to death. If the wheel in question is less them 5 years old and you can prove it and you are the original owner and you may need to prove that also. Just take it back to you LBS theey will contact Trek, most times it just takes a phone call and emailing trek some pics. And in about a week the new one shows up at your LBS. no muss no fuss no hassles.
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Old 11-23-08, 03:12 PM
  #41  
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I never got anywhere with the bike shop, stopped using them for anything immediately after that. Haven't been back since and don't recommend it to anyone: Bike Werks in Kingwood, TX.
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Old 11-23-08, 04:43 PM
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All Bontrager stuff is covered for 5 years from date of purchase (no other wheel manufacturer does this for free)

That is called eyelets being pulled through the rim. No big deal, but get your LBS Trek dealer to get the warranty submitted. It will probably take a few weeks to process. Unfortunately Trek has two or three people that review warranty's for the entire nation =/

Your LBS might have some demo wheels that you can borrow in the mean time, otherwise just keep riding. Ive seen that much worse. Your spokes should still be at a decent tension as long as the wheel is still true. Just have the mechanic look it over when you bring it in for them to inspect and send in a pic.

Happy riding, and in case they show up, ignore the Trek haters.
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Old 11-23-08, 04:47 PM
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Originally Posted by chinotex View Post
I never got anywhere with the bike shop, stopped using them for anything immediately after that. Haven't been back since and don't recommend it to anyone: Bike Werks in Kingwood, TX.

Get a recipt copy out of them, you need proof of purchase.

There are alot of other Trek dealers around you. Any of them can handle it.

Here is some help: http://locator.trekbikes.com/locator...mity=25&unit=m
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Old 11-23-08, 11:12 PM
  #44  
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Originally Posted by chinotex View Post
Well, after going to 3 or 4 bike shops, I bought a new set of Mavic Aksiums.
I ride both the Bonty Selects and Aksiums. I experienced the same problem you had w/the Bontys, drive side rear rim metal failure after about 3k miles. I got that rim replaced under warranty for free. The Aksiums should serve you well; I have about 3,500 miles on them, and have only broken one rear drive side spoke. They've never gone out of true either. And I weigh 190 (ish) lbs.

And I would 2nd (or 3rd or whatever) the suggestion of not buying Bonty wheels again. Ever.
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