Brand: Shimano Model: FC-R7000 Speed: 11-Speed Tooth: 50/34T Size: 170mm Color: black/gray (same as the photo) Qty: 1set -- without BB HOLLOWTECH II Crankset (11-speed) FEATURE Balances weight and efficiency without sacrificing stiffness Rider Tuned performance with numerous gear combinations Wider gear pitch increases chain clearance with small gearings and allows for 410 mm chain stays on 135 mm O. BENEFIT Optimum power transfer Greater frame compatibility Comes bulk-packed without any retail packaging included.