Shimano XT M8100 SM-CRM85 chainring

Thanks to the continuous evolution of cycling industry, manufacturers are constantly busy in growth, research and development. The fruits of their efforts help us to achieve our goals or simply have more fun. Thus, in the new Shimano XT 12V groupset, the SM-CRM85 chainring presents the updates that offer an outstanding operation and important advantages: precision, practicality, lightweight and resistance over the time.

Specifically: Dynamic Chain Engagement+ technology with a Narrow/Wide tooth profile offers better chain stability, while the Direct Mount system considerably simplifies the assembly of the chainring, making the transmission even more practical and functional.


Features

  • Special MTB gear teeth profile improves chain engagement and retention.
  • Exchangeable single chainring.
  • Available versions: 28T, 30T, 32T, 34T, 36T.
  • Compatibility: 12S.
  • Direct Mount.
  • Real weight: 116 g (32T).


Technology

Dynamic chain engagement+

Special gear teeth function. Shimano’s Dynamic Chain Engagement+ is a special gear teeth profile designed for use in single-chainring configurations for XC, enduro, and trail riding. It gives more chain retention and smoother pedaling - even over bumpy terrain,reducing abrasion and wear.