Shimano 105 FC-R7000 Crank Set 165/170/172.5/175mm 50/34/52/36/53/39T W/O BB
Size Option: 170, 172.5, 175mm. without BB. Wider gear pitch increases chain clearance with small gearings and allows for 410 mm chain stays on 135 mm O.L.D. Speed: 11-Speed. Optimum power transfer. Model: FC-R7000.