Left Side Rear Wheel Freewheel Clutch
- 1.375" x 24 TPI left-hand (counterclockwise) threads.
- Works with 2-1/8" (54mm) ID chain sprockets with four bolt (F4) mounting pattern.
- When not used to mount a sprocket onto then it is a 16-tooth sprocket for 1/2" x 1/8" bicycle chain.
