This rear sprocket is used on the Chinese 50cc-125cc engines. This sprocket has 37T and is compatible with the 420 chain only.
- 37 Tooth
- Chain Size: #420
- Center hole: 76mm (2.99″)
- Mounting holes: 66mm (2.60″) center to center (side by side)
- Mounting holes distance: 92mm (3.62″) straight across
- Overall diameter: 153mm (6.02″)
- Used on Taotao DB14 Dirt Bike