The Shimano SM-CRM81 Single Chainring XT M8000 is a dedicated 1x11-Speed chainring specifically for the Shimano XT M8000 crankset.
XT chainring features Dynamic Chain Engagement technology, which uses a unique tooth profile that provides superior chain retention, drivetrain smoothness and less chain noise. This updated version of the XT chainring includes a narrow-wide tooth profile for even better chain engagement and makes it the perfect chainring to suit any rider, in any condition.