



Replace or adjust the gearing with this JT SPROCKETS steel sprocket, designed for the transmission of 50 cc motorcycles and small urban roadsters. CNC machined from SMC420 steel, this standard 1120 sprocket offers a robust and precise component intended to work with a 420 pitch chain. Its sleek and lightweight design allows for easy integration onto original hubs while maintaining controlled wear over time.
Designed for Urban and Roadster environments, this sprocket is aimed at riders looking for a reliable transmission component for daily and leisure use. Compatible with several common 50 cc models, it is particularly suitable for the RIEJU MRT 50 SM (2025), FANTIC XM 50 PERFORMANCE (2025), and BETA RR 50 MOTARD (2025). A solid and easy-to-install spare part, it naturally integrates into a 420 chain drive.