Is there a way to unbend a rotor??
Thread Starter
Registered User
Joined: Apr 2006
Posts: 200
From: D-block, CT
Is there a way to unbend a rotor??
I just bought front rotors off ebay and put them on my bike and they are both bent
. When i put the bike on the stand and span the tire is when i first noticed. Anyways does anyone know a good esay way to fix them?? how to fix them??
. When i put the bike on the stand and span the tire is when i first noticed. Anyways does anyone know a good esay way to fix them?? how to fix them?? 
MVS
Joined: Apr 2008
Posts: 1,101
From: Groveton NH
Re: Is there a way to unbend a rotor??
i actully bent a rotor when i was trying to undent my rim. i put it on the bike without the calipers on found where the bend was and took a hammer and TAPED it strait. i riged something up with the end of a zipty that ran a milimeter off from the rotor and keep taping it until it looked strait. they are not perfect and never will be but they are ridable they vibrate with hard braking. i still endo fine though. you can try that
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Joined: Jul 2006
Posts: 3,730
From: kingston NEW YORK
It's cold out here
Joined: Oct 2006
Posts: 350
Re: Is there a way to unbend a rotor??
I would just buck up and get a new one. I know that .003" is the tolerance of most cars for run-out. I'm not too sure about bikes, but I don't think you will be able to get that precise with a hammer.
EDIT: I just looked at my service manual, and the tolerance for the '05-'06 636 is .006" with a limit of .010". I would get a new one...
EDIT: I just looked at my service manual, and the tolerance for the '05-'06 636 is .006" with a limit of .010". I would get a new one...
Last edited by csiamanis; Jul 30, 2008 at 11:36 PM.
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Joined: Jun 2008
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From: Goldsboro, NC
bent rotors are cheap on ebay. Thread Starter
Registered User
Joined: Apr 2006
Posts: 200
From: D-block, CT
Re: Is there a way to unbend a rotor??
yea i know they are cheap on ebay, thats where i got these. I guess ill just send them to that website. Just spoke to them and for $20 plus shipping to get them straight is worth it. The only thing is it will take a minute to send and then get it back
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From: st. cloud, mn usa
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From: the bay, ca, usa
Re: Is there a way to unbend a rotor??
often overlooked is a dam bent axle, which i think i have after replaceing the front brakes and the rotors because i had a bent one anyways
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