Bicycle Derailleur Gear Unit Single Speed Freewheel
Model :
FW-18T4
Bicycle Single Speed Freewheels FW-18T4
- 1/2" X 1/8" X 18T
- Cold-forged with 4 removal splines
- Available Finished: Brown
- Packing : 100pcs/0.5'/17kg/18kg