Bicycle Mechanics - how can you tell if hubs are serviceable?
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10-02-06, 06:32 PM
I have some no-name hubs on a wheelset that I am attempting to respace the axel and redish for a singlespeed setup. How can I tell if they are even serviceable? There appear to be cones that can be accessed by a cone wrench. Does this mean that they are serviceable?
10-02-06, 06:34 PM
Well take it apart and see. Probably is serviceable if it's an older wheel.
Almost any hub is serviceable unless it's to cheap to bother.
10-03-06, 07:42 AM
Take the lock nut and cone off of one side and remove the axle. If it is a loose bearing hub, it will be obvious. If so, check the condition of the cones and hub races. If they are reasonably smooth and free of pits, relube the hub and reassemble it. It he cones are in bad shape, decide if it is worth while replacing them If the hub races are in bad shape, discard the wheel as most hub races can't be replaced.
10-03-06, 07:50 AM
You'll need a cone wrench (usually 13mm for front hub, 15mm or 16mm for rear hub, although there's a fair bit of variation) and a wrench that fits the locknut (usually 15mm front hub, 17mm rear hub; an adjustable wrench will work for this). Loosen the locknut while holding the cone with the cone wrench.
10-03-06, 11:28 AM
I've rebuilt dozens of nasty old hubs. Usually, the bearings are shot, but if the cone races are OK you're good to go with new bearings and grease. I've found two freewheel hubs with bent axles, and one completely snapped in half. The only thing holding it together was the quick-release!
Be sure to read up on the directions on the Park Tool site.
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