Bicycle Mechanics - My back brakes
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10-17-09, 05:36 PM
I have a older model trek road bike and the back brakes when u apply them close in on the wheel but when u let off they dont open back up,there caliper style i beleive.And there are new cables on it so i know its not that.Thanks alot
10-17-09, 06:02 PM
Disconnect the cable from the brake anchor point. It'll be obvious, which is the problem.
10-18-09, 12:14 AM
The pivot bolt assembly is to tight (most likely) and or the spring has been bent/compressed and doesn't have enough spring to return the calipers (least likely).
Just need to adjust the pivot bolt so that the calipers have a slight, slight, slight resistance (did I say slight...) when moving. The washers between the arms should be lubed also (I use a thin film of grease when I pull them apart and put them back together). Als use a little bit of grease on the spring arm where they seat in the caliper arm.
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