Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK ModelNumber=K9255 Cleat Bolt Pattern 2-Bolt Closure

Cleat Bolt Pattern 2-Bolt Closure Lace Color Core Black/Core Black/Red Defined Color Black Gender/Age Mens Shoe Size (US) 11

37 BB/Frame Interface English BB Shell Width (mm) 68 Spindle Interface Type Square Taper JIS Spindle Length 113 Defined Color Black

Bluetooth low energy technology and ANT+ wireless data transfer

Cassette Body Type Shimano Dynasys 11 Speed Mountain

Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK ModelNumber=K9255 Cleat Bolt Pattern 2-Bolt ClosureShimano Dura Ace FC R9200 Crankset 170mm 12 Speed 50 34t 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 Shimanos class leading chainring designs the FC R9200 wont let you down. Optimal balance of stiffness strength weight