9 Tooth Sprocket with 17mm x 12mm Double D-Bore for #41 and #420 Chain
- For #41 and #420 chain.
- 9 teeth.
- For motors with 17mm x 12mm double D-bore shafts.
- Hardened high carbon steel for long service life.
- Compatible with MY1020Z and newer model MY1122ZXF gear motors.