Shimano (Cycling) 105 FC-R7000 HOLLOWTECH II 50-34T 170mm 11s Crankset Black IFCR7000CX04L

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.L.D.
Optimum power transfer
Multiple options provide greater choice
Greater frame compatibility

Compatible chain: HG-EV 11-speed/ HG-X11
Gear arms: 4
P.C.D. (mm): 110
Rear speeds: 11
Recommended BB_Pressfit: SM-BB72-41B
Recommended BB_Threaded (normal): SM-BBR60
Q-factor (mm): 146