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- text/3/12
- Many older style bikes have
- crank cotters. These are special
- bolts, one goes thorough each
- crank, holding it to the crank
- axle. In time they become worn,
- which causes a clunky looseness as
- you turn the pedals. To replace a
- cotter, remove the nut, and hit
- the threaded end with a hammer.
- Normally, the cotter will slip out
- of its hole. If it doesn't, try to
- avoid killing it with your hammer.
- You may need to heat up the crank,
- or drill the cotter out. Put
- grease on the new cotter, tighten
- the nut on, tap it lightly with a
- hammer and retighten it. Cotters
- are soft steel, so don't
- over-tighten the nut.
- ~
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