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 Cycling Rear Derailleur Hanger Mountain Road Bike Tail Hook Extender
CANSUCC Cycling Rear Derailleur Hanger Mountain Road Bike Tail Hook Extenders
Bicycle Rear Derailleur Hanger Mountain Road Bike Tail Hook Cycling Parts De
Bicycle Rear Derailleur Hanger Mountain Road Bike Tail Hook Cycling Parts
Bicycle Rear Derailleur Hanger Mountain Road Bike Tail Hook Cycling Parts QDE
Bicycle Rear Derailleur Hanger Mountain Road Bike Tail Hook Cycling Parts DE
