Bicycle Mechanics - Rear Hub Bearing On My Fulcrum
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10-03-09, 08:28 AM
I have a set of Racing 1 Fulcrum wheels setup for Campy. I have torn down and cleaned the rear hub and re-lubed it two times and it stills "sounds" gritty when put back together and pre-load it set. It doesn't feel gritty. I cannot understand why a squeaky clean hub put back together still "sounds" gritty. Can someone help me?
10-03-09, 08:43 AM
Did you clean everything with clean solvent? I put the dirty parts in dish of mineral spirits and brush them to remove all the old grease but always finish up with a final rinse or spray, not a dunk, of the parts with fresh solvent. Aerosal cans of brake cleaner work great for the final spray. WD-40 will leave oil on the parts and does not evaporate quickly.
Freshly cleaned and lubed bearings never feel or sound perfectly smooth until used a little. Ride the bike for only a few miles and everything should feel and sound smooth. I find that the bearings adjustment may also change in just the first 5-10 miles, so I like to ride a short distance and recheck the play rather than ride a 50 miler and then find that the bearings were a little too loose for most of the ride.
metal dust cap rubbing on the maze section of the hub?
10-03-09, 02:49 PM
Three times a charm. This time I used paint thinner instead of citrus cleaner and used IXL anti friction grease http://www.lubricationproducts.com/g710.htm . Nice stuff! Smooth as silk now. Thanks everyone.
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