Method and apparatus for controlling an automatic bicycle...
Method and apparatus for preventing improper shifting of a...
Motion sensor for use with a bicycle sprocket assembly
Motion sensor for use with a bicycle sprocket assembly
Motor driven derailleur
Motor unit for an assisting apparatus for changing speeds in...
Motorized bicycle actuator assembly
Power operated gear change assembly for bicycles
Power transmission
Power transmission
Power transmission device
Power transmission system
Power transmitting mechanism
Pulley assembly
Pulley unit
Rotating apparatus with a torque limiter function
Rotation direction detection apparatus
Serpentine drive system with improved over-running alternator de
Shift assist apparatus for a bicycle transmission
Speed change device for bicycles