Maintenance friendly variable speed drive and methods

Mechanism for adjusting spring tension in a derailleur

Mechanism for adjusting the position of a bicycle chain

Method and apparatus for controlling an automatic bicycle...

Method and apparatus for positioning a bicycle derailleur chain

Method and apparatus for preventing improper shifting of a...

Method and system for computer-controlled bicycle gear shifting

Method of and apparatus for controlling the transmission ratio o

Method of and device for power transmission

Method of manufacturing bicycle chain thrower mechanism

Modified derailleur

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

Motorized bicycle derailleur assembly

Motorized front derailleur assembly with saver arrangement

Multi-geared bicycle transmission assembly comprising internal g

Multi-speed torque transmission system for connecting parallel s