Multiple sprocket assembly for a bicycle

Multiple sprocket assembly for a bicycle

Multiple sprocket assembly for bicycle

Multiple sprocket assembly for bicycle

Multiple sprocket assembly for bicycle

Multiple sprocket wheel

Multiple-cushion ring sprocket assembly

Multiple-speed chain driving device

Multistage front chain gear for a bicycle

Multistage sprocket assembly

Multistage sprocket assembly for a bicycle

Multistage sprocket assembly for a bicycle

Multistage sprocket mechanism for a bicycle

Non-uniform torque transmitting mechanisms such as bicycle chain

Novel pulley with dampening element

Parts carrier with intergral rollers

Phased chain assemblies having links with a single toe

Plastic sprocket wheel with replaceable teeth

Pocket chain wheel

Positioning device