Rebuild a Bicycle Rear Hub: Yes, the "bitmap-bandit" is back..This project is focused on the typical Shimano Hyperglide hub circa 1997-ish, but covers most mid-level freehubs on the market today. Designs may vary between manufacturers, but the basic principal r.
Have a new set of bearing balls on hand. They are sold at bicycle shops and over the Internet. Get a couple of spares in case you lose some -- they can be elusive little devils. It is hardly worth the trouble to rebuild a hub without new bearing balls. Most front hubs take 10 three-sixteenth-inch balls per side.
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Nov 14, 2015 · This bike is unique in many ways, and one of them is the rear wheel which features this Sachs-Fitchel 2 speed Orbit hub. The internally geared hub takes the place of a front derailleur and extra chain ring. I had sent the hub out for a rebuild 8 years ago, not daring to do it myself at the time.
Aug 22, 2015 · The hub contains internal brake shoes housed inside a metal shell. A clutch mechanism allows the hub to engage and drive the bike forward. The clutch then disengages for coasting or braking. Rotating the pedals backwards expands the brake shoes into the steel hub in order to slow the bike.