I show how to repair a bike wheel with a loose hub that wobbles. I disassemble, the hub, clean, lubricate, and reassemble the bub with new bearings. After the overhaul, the wheel spun smooth with no wobble in the hub. The bike is a 2010 Specialized Hardrock.

Most front hubs use ten 3/16" balls on each side; Most rear hubs use nine 1/4" on each side.

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