At the forefront of Shimano's 12-speed mountain groups is XTR, which is the most lightweight version they can manufacture. The Shimano XTR FC-M9130 Crank Arms are a key element in this system, contributing to the group's strength and overall weight.

The Shimano XTR FC-M9130 crank arms feature an entirely new construction and a narrow 171 mm Q-factor. The FC-M9130-1 also uses a 56.5 mm chain line and can be converted between 1x and 2x.

FEATURES:

• Rigid and lightweight design for trail riding with direct mount chainring
• ?Chainring NOT Included?
  

SPECS:

• Chain Line (mm): 56.5
• Compatible chain: HG 12-speed
• Spindle: Hollowtech II
• B.C.D. (mm): Direct
• Rear Speeds: 12
• Q-factor (mm): 171
• Crank Arm Length: 170mm