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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 07-28-07, 03:40 PM   #1
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Rear brake sticking...

Like the title says, my rear brake is sticking. I know the brake is not too tight because if I close the pads manually without the use of the hand-lever, they release properly but when I use the lever, they stick. Any thoughts? I just bought the bike, its previous owner rode it twice, and it shows, the thing is in mint condition so I don't think the break needs replacing. It had been sitting in a garage for 6 years though so maybe some WD-40 will do the trick? Any thoughts or suggestions will be appreciated.
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Old 07-28-07, 07:21 PM   #2
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You can try taking off and cleaning the inner brake cables with some solvent and a rag. Some people oil or grease cables, and the stuff dries out or gets gummy and dirty. I like to dress the cleaned cables with a wax based chain lube, letting it dry to a non-sticky film, then re-assemble. Check the cable routing for sharp bends. Sometimes the housing is not cut flat and clean, without pinching.

You might want to seal the end of the cable before you pull it out so the cable does not get frayed. Sometimes I solder the cable ends. I've read here that a drop of superglue does the job too.
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Old 07-28-07, 07:28 PM   #3
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If the thing has been sitting for 6 years it may be that simply using the lever will free the brake from sticking. So long as it isn't rubbing too badly I would hop on and go for a ride around the neighborhood. If that fails, Dural pretty much gave you everything you need for checking the cables. Aside from that, you can lube any pivots but I would use a drop of Tri-flow, or similar, over WD-40. Whatever you use be careful to avoid getting lube on the pads or braking surface.
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