Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK MFPN=00.4315.032.641 Tool free endcap freehub and

Tool free endcap freehub and axle removal

The rubber inserts and the adjustable nose keeps the frame firmly in place

Sturmey-Archer Shifters for Internal hubs

Narrow wide chainrings compatible with Race Face CINCH system cranks

Shimano Dura-Ace FC-R9200 Crankset - 170mm 12-Speed 52/36t Hollowtech II Spindle Interface BLK MFPN=00.4315.032.641 Tool free endcap freehub andShimano 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