JT steel rear sprocket for Beta RR 2T/4T and Xtrainer from 2013 to 2025
Not valid for RR 125 4T and RR 50 2T
Available with 40/44/45/46/47/48/49/50/51/51/52/53T teeth
- Made from C49 high carbon steel
- Heat treated and hand finished to meet or exceed OEM standards
- Outlasts any mild steel or surface hardened sprocket