12 Tooth Freewheel Sprocket with 11mm Bore for 1/2"x 1/8" Bicycle Chain
- Motor sprocket for MY1018Z and MY1016Z3 gear motors.
- Motor shaft must rotate clockwise to use this sprocket.
- 1-15/16" (50mm) OD, 11mm ID, 4mm wide x 2mm deep keyway.
- Works with both 1/2"x1/8" (#410) and 1/2"x3/16" (#415) bicycle chain. (If used with #415 bicycle chain there will be around 1/16" of side-to-side play between the chain and sprocket.)