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Old 05-28-06, 04:31 PM   #1
Alox
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Shimano Disc Warped...

I've got an '05 Stumpy FSR Comp 120 with Shimano M525 discs. After a recent ride, I noticed a rubbing noise coming from the rear brake. Upon closer examination it appears that the disc is warped - I must have hit it on a rock or something, but I don't remember having done it.

My question is this: is it worth trying to 'true' (i.e.: unwarp) the disc, or should I just replace it? If I replace it, are there any aftermarket disc rotors that are any tougher that anyone might recommend?

Finally, is this a typical failure mode for discs? Do mechanics see a lot of these types of failures?

Thanks in advance for your advice,

A.
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Old 05-29-06, 10:09 AM   #2
Ray Dockrey
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It can be trued. Do a google search and you will find many articles on how to do it. It isn't hard and I have to do mine every so often. You might not have hit anything. Sometimes they warp from the heat. I have heard even with a new disc you usually have to true them up.
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Old 05-29-06, 12:36 PM   #3
BloomBikeShop
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Quote:
Originally Posted by Ray Dockrey
I have heard even with a new disc you usually have to true them up.
Happens all the time
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