jeeves88 Posted July 23, 2011 Report Share Posted July 23, 2011 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 Quote Link to comment Share on other sites More sharing options...
copemech Posted July 24, 2011 Report Share Posted July 24, 2011 Need a fresh one, mate! Depending upon the year bike, you may get a rotor that does not squeal soo much! Quote Link to comment Share on other sites More sharing options...
toofasttim Posted July 24, 2011 Report Share Posted July 24, 2011 Anyone straightened one? Yes. It's easy to do Quote Link to comment Share on other sites More sharing options...
jeeves88 Posted July 24, 2011 Author Report Share Posted July 24, 2011 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 Quote Link to comment Share on other sites More sharing options...
toofasttim Posted July 24, 2011 Report Share Posted July 24, 2011 Vice or adjustable spanner. Quote Link to comment Share on other sites More sharing options...
jse Posted July 25, 2011 Report Share Posted July 25, 2011 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 Quote Link to comment Share on other sites More sharing options...
betabonkers Posted July 25, 2011 Report Share Posted July 25, 2011 Be careful i tried staightening mine last week and snapped it, 89 quid for a new one. Quote Link to comment Share on other sites More sharing options...
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