Forum home Mountain biking forum MTB workshop & tech

Deore pistons not retracting

mac_manmac_man Posts: 916
edited November 2015 in MTB workshop & tech
Have a pair of Deore disc brakes and one of the pistons is not retracting fully. The lever does not spring back properly when released and the pads are still gripping the rotor. If I push the lever out the pads unstick themselves from the disc, but there is still rub on the disc. If I prise the pads/pistons apart when off the bike, with a flat blade, and refit them, the rubbing disappears till the next application of the brakes.

Too much fluid in the system?
Cool, retro and sometimes downright rude MTB and cycling themed T shirts. Just MTFU.

By day:


Sign In or Register to comment.