Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK ModelNumber=K9255 Bluetooth low energy technology and

Bluetooth low energy technology and ANT+ wireless data transfer

Cassette Body Type Shimano Dynasys 11 Speed Mountain

Patented low-profile tubeless rim design balances lateral stiffness with radial compliance

The Pro Conical headset features a taller conical shaped dust cap for a cleaner look with less spacers

Color Matte Black Lower Stack Height 14 Bearing Type Cartridge Crown Race 40 Weight 160 Defined Color Black Upper Stack Height 8

Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 50/34t Hollowtech II Spindle Interface BLK ModelNumber=K9255 Bluetooth low energy technology andShimano 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