I've just taken delivery of a new bike with Avid Juicy 5 brakes suffering from severe brake rub. There appears to be no space between the pads and the rotor on the front (the rear is working fine). I've centred the caliper with no effect. I've also tried removing the wheel and pushing the pisons back, this cures the problem initially but it quickly returns. I've also noticed that once I release the lever, it returns to it's starting position very slowly (it takes approx twice as long as the lever for the rear).
Could I have a sticky piston? If so, how do I cure it?
If not a sticky piston, what else could cause these symptoms?
I have yet to ride the bike (pedals have not arrived yet!), could this cure itself with time and use?
any advice appreciated.
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Thread: Sticky Piston?
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