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 chainring SM-CRM85 features Dynamic Chain Engagement+ technology. This is a tooth profile optimised for MTB use, which improves chain hold. 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+
Dynamic Chain Engagement+ is Shimano's term for a special tooth profile of single chainrings intended for off-road use. This improves the chain hold and counteracts chain drop on rough ground. It also minimises wear and increases pedaling efficiency.

Manufacturer 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