brake problem
#1
brake problem
so this f4 i recently bought has a problem with the braking. when i apply the front brake i get a shimmy in the front end. kind of feels like a pulsation from a warped rotor. any suggestions on what to check? i dont want to go buy new rotors and have that not solve the problem. can anyone suggest anything? thanks
#2
RE: brake problem
You can put a dial indicator onto the bike and spin the wheel while the pin sits on the disc. You don't want to have a high amount of run out. If you do there are not many people that will even attempt to machine the disc so the only option will be to change the disc. You can try running some sand paper on both pad and disc. To see if there is a small difference when reassembled and braking but if the discs is warped this will be fruitless.
#3
RE: brake problem
Ditto what Marinko said. If a rotor is warped it'll send a helluva pulse through the brake lever when stopping from high speeds. You can check to make sure the caliper bolts are tight and that the pads still have life but I'd say from your description that the rotors are warped.
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