1 x Bicycle Rear Derailleur Hanger. Used to change the small flywheel into the large one to make the bicycle faster. For example, the 36t flywheel is replaced by the 42t flywheel. Net weight: about 18g.
CANSUCC Bicycle Rear Derailleur Hanger Road Bike Frame Tail Hook Extenders
CANSUCC Bicycle Rear Derailleur Hanger Road Bike Frame Tail Hook Extenders UK
CANSUCC Bicycle Rear Derailleur Hanger Road Bike Frame Tail Hook Extender
CANSUCC Bicycle Rear Derailleur Hanger Road Bike Frame Tail Hook Extenders NEW
Bicycle Rear Derailleur Hanger Road Bike Frame Tail Hook Extender
CHICIRIS Rear Derailleur Hanger Bicycle Wolftooth Roadlink Roadlink Wolf, Bicycle Rear Derailleur Hanger Extension Bike Frame Tail Hook Extender For 34T-52T (Red)
