Bicycle sprocket having recesses beneath chain receiving edges

Chain gear and crank mounting assembly

Chain sprocket with axial stiffeners

Chain wheel

Chain wheel assembly

Cluster sprockets for bicycle transmissions and other prime...

Convertible sprocket for motion picture film

Crankset assembly

Crankshaft pulley of engine

Derailleur

Derailleur gear assembly

Drive assembly

Freewheel for a bicycle

Front gear for bicycles

Gear shifting sprocket set for bicycle chain wheel

Integrally formed gear set with a plurality of gears

Integrated up-and downshifting configuration of a multistage spr

Linear velocity corrective device

Multi-gear free wheel assembly for derailleurs for bicycles

Multi-speed free-wheel ring for bicycles