Multi-speed torque transmission system for connecting parallel s
Multiple sprocket assembly for bicycle
Multiple sprocket, multiple function chain guide
Multistage sprocket used in a bicycle rear derailleur system
Multistep sprocket wheel device for a bicycle
Open-ended chain for a traveling chain transmission having rever
Operating device for vehicle component assembly
Operating force compensating apparatus for a bicycle...
Pedal crank derailleur for a bicycle
Pedal crank/gear assembly for a bicycle
Pedal-actuated bicycle gear shift means
Positioning device for a derailleur for a bicycle
Power supply structure for bicycles
Process for controlling gear shifting in a cycle, and...
Process for controlling gear shifting in a cycle, and...
Process for controlling gear shifting in a cycle, and...
Protective plate for bicycle chain
Quick release derailleur
Quick release derailleur
Rear derailer for bicycle gears