420 Chain Sprocket

420 chain sprocket

This rear sprocket is used on the Chinese 50cc-125cc engines. This sprocket has 37T and is compatible with the 420 chain only.

Sprocket Details:

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

Be sure to measure your chain or current sprocket before ordering. 420 chain has 1/2" pitch and 5/16" roller diameter.