Shimano XTR FC-M9100-1 – Crankset (170 mm, 1x) w/o chainring

Features:

• 1x12-Speed Drivetrain Optimized
  Designed for elite-level MTB performance with single chainring setups—ideal for XC and trail racing.

• Hollowtech II Crank Arms
  Lightweight, rigid, and hollow-forged aluminum arms deliver efficient power transfer with reduced weight.

• Direct Mount Chainring Interface
  Quick and easy chainring changes without spider removal; supports 30T–38T chainrings (sold separately).

• Q-Factor: 162 mm
  Narrower stance for efficient pedaling and race-ready ergonomics.

• Chainline: 52 mm
  Optimized for boost (148 mm O.L.D.) spacing, ensuring smooth chainline and shifting performance.

• Durable & Lightweight
  Engineered for competitive use with a balance of strength and low weight.

• Crank Arm Length: 170 mm
  Ideal for riders seeking quicker cadence and better ground clearance.

Weight:

~511 grams (including 32T chainring; actual weight varies slightly with ring size)