Shimano Dura-Ace Hollowtech II FC-09 Crankset

The Dura-Ace FC-09 crank performs two vital functions: transferring your pedaling effort into the drivetrain and ensuring the fastest, most precise front shifting available. With HOLLOWTECH II crank arms to ensure light weight and Shimano's class-leading chainring designs, the FC-09 won't let you down. The FC-09 is offered in even shorter crank arms lengths to offer fit options for any rider.

Features:

• Optimal balance of stiffness, strength, weight and rotational performance
• Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
• New 54 - 40T option to realize the most efficient drivetrain

Specifications:

• BCD: 110
• BB Inclusion: No
• Chainline: 43.5 mm
• Crank Spindle Diameter: 24 mm
• Crank Arm Length: 165 mm
• Interface: Hollowtech II
• Crankset Material: Carbon/Aluminum
• Pedals Thread: 9/16''
• Speed: 11
• Drivetrain Spacing: Road