Complete transmission kit with DID chain with modified transmission ratio, with steel front sprocket, aluminium rear sprocket and DID 520 ERV7 racing chain with X-Ring, the same used in MotoGP and in the SBK world championship for its exceptional characteristics of lightness and smoothness. Extremely robust, it is an absolutely recommended product also for normal road use.
Features and content KIT A237 :
- Lightened steel front sprocket - 16 teeth (as original)
- ERGAL 7075 rear sprocket - 48 teeth (+2 teeth compared to the original)
- Racing DID 520 ERV7 sealed chain - 124 links