Product Description
This Kemblawolf drivetrain kit includes a 420 chain-compatible 37-tooth rear sprocket, a front sprocket, and a 420 108-link chain. The rear sprocket has a 76 mm center hole and 65 mm center-to-center mounting-hole distance. The source lists compatibility with 50cc–160cc pit and dirt bikes, including Apollo RFZ, CRF50, XR50, SDG, SSR, Thumpstar, Taotao, and Coolster.
Product Specifications
BrandKemblawolf
Chain size420
Rear sprocket tooth count37T
Front sprocket tooth count14T
Chain length108 links
Rear sprocket center hole diameter76 mm (3 in)
Rear sprocket mounting-hole distance65 mm (2.6 in), center to center
Included components1 rear sprocket, 1 front sprocket, 1 chain