Shimano XT FC-M8100-1 / M8120-1 / M8130-1 12-speed Chainring (SM-CRM85)

Shimano XT FC-M8100-1 12-speed chainring - high precision finished tooth profile

The Shimano XT SM-CRM85 chainring features Dynamic Chain Engagement+ technology. This is a tooth profile optimised for MTB use, which improves the chain retention. The high-precision design of the chainring also increases the efficiency, smoothness and quietness of the drivetrain.

Specifications:

Application: Enduro, All Mountain, Cross Country, Downhill
Mount: Shimano Direct Mount
Teeth: 28 t, 30 t, 32 t, 34 t, 36 t
Gearing: 1x12-speed

Technical Information:

Chainline: 52 mm, 56.5 mm
Material: aluminium, carbon (CFRP), steel

Compatibility:

- XT FC-M8100-1
- XT FC-M8120-1
- XT FC-M8130-1

Features:

- stronger chain binding for better chain guidance
- special tooth profile developed for MTBs
- more even riding in rough terrain
- aluminium arms (anodised), CFRP body, steel teeth (painted)

Technology:

Dynamic Chain Engagement+
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 pedalling - even over bumpy terrain. Chain retention of any gear will reduce abrasion and worn out.

Factory Numbers:

28 tooth: I-SMCRM85Z8
30 tooth: I-SMCRM85A0
32 tooth: I-SMCRM85A2
34 tooth: I-SMCRM85A4
36 tooth: I-SMCRM85A6

Contents:

- 1 x Shimano XT SM-CRM85 chainring