Shimano Dura-Ace FC-R9200 Crankset - 172.5mm, 12-Speed, 54/40t, Hollowtech II Spindle Interface, Black

The Shimano Dura-Ace FC-R9200 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-R9200 won't let you down.Product Details: HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting Optimal balance of stiffness, strength, weight and rotational performance Specifications: BB Included: No Chainline/Hub Compatibility: 130 Hubs Chainring BCD: 110 Shimano Asymmetric Color: Black Crank Intended Use: Road Crank Length (mm): 172.5 Defined Color: Black Drivetrain Speeds: 12 Number of Chainrings: Double Pedal Spindle: 9/16" Rings: 54/40 Spindle Interface Type: Shimano Hollowtech II UPC: 192790894188 MPN: IFCR9200DX40