Backlash, a clearance between mating gear teeth, is built into speed reducers to let the gears mesh without binding and to provide space for a film of lubricating oil between the teeth. This prevents ...
The causes of gear failure are diverse yet preventable—even tooth degradation and lubrication contamination. Following these ...
An internal gear hub provides multiple gears on a bicycle in an enclosed unit housed within the rear hub. Almost all bikes with gears now feature a derailleur system. But for a long time, internal ...
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