Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK MFPN=00.4315.032.641 Minimal and mighty the USB

Minimal and mighty the USB rechargeable Asteroid headlight mounts in seconds and shines super brightly with high-quality optics

Top gear teeth capacity: 50-55t

Shimano Deore HB-M618/ M615/ M590/ M525A Front HubsDouble contact sealing

}Shimano OT-SP41 Derailleur Housing - 25m Blue

Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK MFPN=00.4315.032.641 Minimal and mighty the USBShimano Dura Ace FC R9200 Crankset 170mm 12 Speed 52 36t 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