Zero fuss chain ring that slots perfectly onto M8100 and M8130 Shimano cranks. A satisfyingly solid feeling drivetrain with no creaks! Great looking, well-made and long-lasting with no blingy logos. This is the most popular choice for our custom-builds.
- Shimano's "Dynamic Chain Engagement+" system, or Narrow/Wide if you like!
- 12 Speed, but can be used with 11 speed chains.
- Specifically designed for 1x drivetrains.
Shimano part number SM-CRM85
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