The Shimano XTR SM-CRM95 is the top-tier replacement chainring for XTR M9100-series cranks, built for cross-country, trail, and enduro riders who demand reliable chain retention and smooth power transfer in the roughest conditions. Designed exclusively for 1x12-speed drivetrains, this 32T direct mount ring slots straight onto FC-M9100 and FC-M9120 cranksets for a clean, precision fit.

Highlights

  • Dynamic Chain Engagement+: Shimano's advanced narrow-wide tooth profile keeps the chain locked on through rough, technical terrain — less chain slap, fewer drops.
  • Race-grade aluminium construction: Lightweight alloy body delivers the strength and stiffness XTR riders expect without unnecessary weight.
  • Direct mount interface: Mounts directly to XTR M9100-series crank arms — no spider required, no tool fiddling.
  • 1x12 optimised: Engineered from the ground up for Shimano's 12-speed Hyperglide+ drivetrain for consistent, quiet shifting across the full cassette range.
  • Versatile hub compatibility: Suits standard 135/142mm MTB hubs and 141/148mm Boost hubs at a 52mm chainline.

Dynamic Chain Engagement+

Shimano's Dynamic Chain Engagement+ technology uses a specially shaped tooth profile that guides the chain onto the ring with improved precision. Each tooth is contoured to work in concert with Hyperglide+ chain links, reducing vibration and chain slap over rough ground and maximising engagement under load — critical when you're sprinting out of corners or climbing loose, technical switchbacks.

Compatibility & Fit

The SM-CRM95 is designed for use with Shimano XTR FC-M9100 and FC-M9120 cranksets only, via Shimano's direct mount interface. It requires a Shimano Hyperglide+ compatible 12-speed chain. Chainline: 52mm. Compatible with 135/142mm MTB rear axle spacing and 141/148mm Boost spacing. Available in 30T, 32T, 34T, 36T, and 38T — this listing is for the 32T variant.

Shimano offers a limited warranty covering defects in materials and workmanship. For warranty support, return the item to Tune Cycles.
  • Shimano Dynamic Chain Engagement+ narrow-wide tooth profile for superior chain retention
  • Direct mount interface — bolts straight to XTR FC-M9100 and FC-M9120 cranks
  • 12-speed optimised; requires Hyperglide+ compatible chain
  • Lightweight aluminium construction
  • 52mm chainline — suits standard MTB (135/142mm) and Boost (141/148mm) hub spacing
  • 32T tooth count — versatile gearing for XC and trail riding
  • Round ring profile for smooth, consistent power delivery
  • Part of Shimano's flagship XTR M9100 groupset
Part NumberISMCRM95A2
SeriesXTR M9100
Tooth Count32T
Speeds12-speed
Mount TypeShimano Direct Mount
Chainline52mm
Ring ShapeRound
MaterialAluminium
ColourGrey
Hub Compatibility135/142mm MTB, 141/148mm Boost
Chain CompatibilityShimano Hyperglide+ 12-speed
Crank CompatibilityFC-M9100-1, FC-M9120-1
SKU SHM-ISMCRM95A2
Barcode # 4524667321064
Brand Shimano
Shipping Weight 0.3000kg
Shipping Cubic 0.001000000m3
Unit Of Measure each
Must be installed and serviced by qualified bicycle mechanic