Bicycle Mechanics - Got bicycle repair job yesterday

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chip
10-05-03, 08:51 AM
Yes I got a bicycle to fix yesterday..put a new shaft In the rear wheel..new bearings.I just gave the shaft a hit with the hammer cause It was bent and the shaft broke In two..I've done this many times and usually a couple hits with the hammer and they straighten out nice..but this one busted in two,tells me It was going to go anyway lucky the guy never had a problem when He was cycling? :eek:

mnppunky
10-05-03, 08:57 AM
Yes I got a bicycle to fix yesterday..put a new shaft In the rear wheel..new bearings.I just gave the shaft a hit with the hammer cause It was bent and the shaft broke In two..I've done this many times and usually a couple hits with the hammer and they straighten out nice..but this one busted in two,tells me It was going to go anyway lucky the guy never had a problem when He was cycling? :eek:
Congrats on the new job!
chip
10-05-03, 09:06 AM
Well this mtn. bike was your average dept. store bike?

John E
10-05-03, 02:23 PM
You can sometimes repair a SLIGHTLY bent axle by clamping its unthreaded center section in a vise, placing a sleeve over the threaded end, and applying a bit of leveraged torque to it. However, many steel axles will break if cold-worked twice (bent, then straightened).

Rear wheels with 6- or 7-speed freewheels (as opposed to modern freehubs) are somewhat prone to axle breakage or bending at the right side bearing cone.
Raiyn
10-06-03, 01:43 AM
Well this mtn. bike was your average dept. store bike?
Nuff said..