Shimano XT SM-CRM85 chainrings with direct mounting system for XT 1x12-speed cranks.
Features DYNAMIC CHAIN ENGAGEMENT+ technology, whose special high-precision tooth profile ensures that the chain finds optimum grip on the upper part of the chainring on rough terrain, but detaches equally well from the chainring at the bottom, thus ensuring efficiency, smoothness and low noise of the drive.
New tooth profile with Dynamic Chain Engagement+
Better chain engagement for greater chain retention
Special gear teeth profile designed for MTB riding usage
Smoother driving even over bumpy terrain
1x with proprietary chain retention technology
Direct mount (Lighter and stiffer design & easy exchangeable chainring by direct mount and one key release)