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Old 03-25-11, 05:37 PM   #1
bgarcherydad
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Cracked Trek Fork or Cracked Paint

Im new to this sport. Been riding two years and wanted to buy a CF bike. Bought a USED Trek Madone Pro 5.5 on-line. It arrived with three distinct cracks in the front forks where the aluminum wheel lugs join the CF. See pics below. There are three cracks where the aluminum joins the CF by the wheel lugs.. The seller assured me it was a crack in the paint and that a Trek rep had determined it was safe etc. My Trek dealer here won't assemble it saying it is not safe to ride. How can I determine who is right? Can I just buy another Madone fork? Where? Or can Trek replace it since I'm not the original owner. Any direction is greatly appreciated. Thanks.
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Old 03-25-11, 05:41 PM   #2
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It is NOT covered by a warranty.
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Old 03-25-11, 05:46 PM   #3
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Un-bias shop who won't make any money from advise, or seller who may need to make a refund, who would you trust?

They are cracked, bin them / get a refund or you will end up hurting yourself when they fail
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Old 03-25-11, 05:49 PM   #4
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Thanks for the help. Can you sell me a fork to replace this one or direct me to a site that can sell me one in the correct paint etc.?
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Old 03-25-11, 05:51 PM   #5
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Trek Bike = Trek Dealer for parts.
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Old 03-25-11, 05:53 PM   #6
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Originally Posted by bgarcherydad View Post
Thanks for the help. Can you sell me a fork to replace this one or direct me to a site that can sell me one in the correct paint etc.?
Have you checked the rest of the bike for cracks?
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Old 03-25-11, 06:02 PM   #7
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Good point. They didn't even finish unboxing it. They saw the fork and called with the information. I think sending it back is the best idea. I just can't imagine someone misrepresenting a product. You'd think by the time I got to 57 years old I'd be a little less trusting. Thanks. It goes back. If he misrepresented this - who knows what else is lurking!! Good point.
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Old 03-26-11, 05:15 PM   #8
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That looks like the seam between the dropout and the carbon blade. If so, it is more likely to be an adhesive failure than a structural failure in the blade itself and could well be amenable to repair.

Send your pictures to Calfee and they may be better able to assess the problem: http://www.calfeedesign.com/repair/s...e-for-repair/#
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Old 03-26-11, 05:57 PM   #9
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That is a seam where the dropout is glued to the fork. I don't have good sense so I would ride it. Most structural cracks are not that even.
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Old 03-27-11, 02:27 PM   #10
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I won't ride that fork, period.

Call Trek, get the data for the fork (steerer length, rake etc), then shop for an after market fork.
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Old 03-27-11, 08:29 PM   #11
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Mount a wheel onto the fork and use it to apply some torque to the dropouts...see if the area you are concerned about opens up at all. If not then it may not be a crack....then again it just might be.

Is $100-$300 for a new fork worth the risk doing a faceplant at speed? Thats the comfort factor you should be thinking about.

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Old 03-27-11, 09:04 PM   #12
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It might be broken, it might be fine....but anyone who can't actually lay hands on that thing is just guessing, including me. Could be a paint crack, which is of no concern, or the dropouts could be pulling out. Were it in my shop, I'd take a set of pictures and send them to my warranty rep at Trek for their opinion. No, they won't warranty it, but they might have seen the problem before and can offer appropriate advise. Just a thought.
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