Hello. I own a Specialized M4 Stumpjumper with all stock parts......and just recently the back brakes have stop releasing after applying the brakes causing the brake pad to rub on the left side. Now I tried to loosen the screw which controls the spring and amount of pressure against the brake housing but have not been able to stop the brake pad from rubbing? When I squeeze the front brakes the brakes release evenly on both sides, yet the back brakes only release to the right side? Is this a common problem with AVid V brakes? Any suggestions?
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