Shimano XTR FC-M9000-1 / FC-M9020-1 11-speed Chainring (SM-CRM91)

The Shimano 11-speed Chainring for FC-M9000-1 - More safety through DCE The Shimano SM-CRM91 chainring for the XTR 11-speed cranks FC-M9000-1 and FC-M9020-1 offers optimum chain retention and even more secure chain guidance on the chainring. Responsible fo