Shimano XTR M9000-1 170mm Race Crank Arm Set with Narrow Q-Factor, Chainring Not Included

Shimano XTR M9000-1 170mm Race Crank Arm Set with Narrow Q-Factor, Chainring Not Included

Shimano XTR FC-M9000 Crank Arms 4 bolt spider compatible with all XTR 9000 series chainring configurations Crank arm sets come with caps and bolts for single ring application Hollow carbon-reinforced titanium-alloy construction chainrings for optimized rigidity, weight, and durability Left crank arm features hollow cavity with hollow bonded construction Race specific narrow 158mm Q-factor for high pedaling efficiency Item Specifications Color Gray Spindle Interface Type Shimano Hollowtech II Pedal Spindle 9/16" Chainring BCD 96 Shimano Asymmetric Rings Sold Separately BB Included No Crank Intended Use Mountain Defined Color Gray Crank Length (mm) 170 Drivetrain Speeds 11 Number of Chainrings No Rings Included Chainline/Hub Compatibility 135/142 MTB Hubs