The Shimano SM-CRM85 single chainring is engineered for maximum performance on modern mountain bikes using the XT M8100 and M8130 cranksets. Featuring Dynamic Chain Engagement+ (DCE) technology, this chainring ensures precise chain retention, reduced noise, and smoother pedaling on all types of terrain.
Dynamic Chain Engagement+ (DCE): Specially designed tooth profile with a hooked leading edge and alternating tooth shaping for superior chain security and smoother operation.
Durable Construction: Plated steel teeth paired with a lightweight carbon composite (CFRP) carrier body for long-lasting strength and reduced wear.
Hollow Gear Design: Optimised for stiffness, reduced weight, and maximum efficiency.
12-Speed Drivetrain Compatible: Perfectly matched to Shimano HG 12-speed chains for flawless shifting and drivetrain performance.
Multiple Sizes: Available in 28T, 30T, 32T, 34T, and 36T to suit your MTB setup and riding style.
Designed for aggressive trail riding, enduro, and cross-country, the Shimano XT SM-CRM85 chainring combines strength, lightweight performance, and exceptional chain stability. It’s the ultimate upgrade for riders demanding reliable power transfer and smooth shifting from their Shimano XT 12-speed drivetrain.