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bent brake disc

Featured Replies

Hello all, good ride today bent the front brake disc! Anyone straightened one? Would it be likely to nacker the seals in master cylinder on handlebars?

Cheers chris

Need a fresh one, mate! Depending upon the year bike, you may get a rotor that does not squeal soo much!

  • Author

Yes. It's easy to do

How did you straighten it? press? hammer? surely it will sort of bodge it and make either the disc not quite straight or damage it and so in the long run itll just ruin itself again?

cheers

Hello all, good ride today bent the front brake disc! Anyone straightened one? Would it be likely to nacker the seals in master cylinder on handlebars?

Cheers chris

Provided it's not too far gone, you could possibly straighten it. Front floating discs will self-compensate to a certain degree as to a bent area. You'll want to get it a stright as you can or you may start to gouge the sides of the caliper.

Use duct tape on any area you are working on to avoid damaging the surface of the disk (including on the jaws of the tool. Aluminum vice jaw inserts are very handy for this type of work). Carefully find the "center" of the bend to force back, otherwise you'll have a "wave" rather than a bend when you are finished. You'll also want to check where the disc got hit so you can smooth off any cuts or raised areas. Take your time and check your work often, this is like tightening spokes. The disk condition should not have any affect on the master cylinder.

Jon

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