100% brand new and high quality
Used for brushed Motor MY1016Z and MY1018
Suitable for Fixed Gear Bike,Bike Tryall,single speed flywheel,removable
For threaded hubs,not for cassette hubs.
Fit Chain Size:Used for 1/2"x1/8" chain(general bicycle chain)
Number of teeth:12 teeth
Card slot width 4mm,depth 2mm (single card slot)
Applicable to motor and other equipment ~~~