Derailleur for a bicycle

Derailleur for a bicycle

Derailleur for a chainwheel assembly for a bicycle

Derailleur for a cycle

Derailleur for a cycle

Derailleur for bicycles and similar vehicles

Derailleur gear-change assembly for a bicycle

Derailleur having an adjustable fork member for a crank-gear

Derailleur link

Derailleur mechanism

Derailleur mechanism

Derailleur mechanism for a bicycle

Derailleur mechanism for bicycles

Derailleur pulley for use with bicycle derailleur systems

Derailleur shifter

Derailleur with improved mechanism for moving and retaining a mo

Derailleurs for multi-speed bicycles

Device for controlling the tension of a transmission chain in an

Device for mounting a derailleur on the frame lug of a cycle

Device for the assembly especially of the joint of the chain-gui