
Designed for cross enthusiasts and demanding small displacement bikes, this kit combines the sealed chain EK 420SH with the front sprocket and rear crown made of PBR steel. Provided configuration: 13-tooth sprocket / 47-tooth crown, pitch 420, and 110 links included — ideal for replacing your original transmission and achieving a robust drive system.
Main Features:This kit offers a simple and economical solution to renew your transmission: compatibility with pitch 420, precise mounting of PBR components for clean engagement and controlled wear. Perfect for off-road use on cross bikes and small displacement motorcycles, it is particularly suitable for models like KX65 and other twin-cylinder bikes up to about 150 cc. Before installation, check the ratio and chain length suitable for your machine to ensure optimal tension and safety.