Devices enabling shifting of gears on bicycles

Elastic joint derailleur

Elastomer coated coil spring and chain derailleur employing same

Electrically operated derailleur that re-engages a...

Electrically operated derailleur with a power storing mechanism

Electrically operated derailleur with force overload protection

Electrically operated derailleur with power storing mechanism

Electro-motive gear-shift control apparatus for bicycles

Electromechanical bicycle gear shift mechanism

Electromechanical bicycle transmission

Electronic bicycle derailleur control apparatus

Field serviceable derailleur device

Force compensation device for a cable control of a gearshift...

Front bicycle derailleur

Front bicycle derailleur

Front bicycle derailleur fork and derailleur comprising said...

Front bicycle derailleur with annular chain guide

Front derailleur

Front derailleur for a bicycle

Front derailleur for a bicycle