SERIES: SHIMANO 105 R7100 Di2 Series. SHIMANO 105 HOLLOWTECH II Crankset 2x12-speed. Optimal balance of stiffness, strength, weight and rotational performance HOLLOWTECH II structure cuts weight yet maintains strength for better power transfer.
Shimano 105 FC-R7100 105 double 12-speed chainset; HollowTech II 170 mm 50 / 34T
Shimano 105 FC-R7000 Crank Arms (170mm) Hollowtech II (NEW) R7000 Black
Shimano 105 SM BBR60 Bottom Bracket BSA Threaded Hollowtech II Road Bicycle Bike
Shimano 105 FC-R7000 (Right Hand) Driveside Crank Arm (172.5mm) Hollowtech (NEW)
Shimano 105 FC-R7000 (Right Hand) Driveside Crank Arm (170mm) Hollowtech (NEW)
Shimano 105 FC-R7000 (Left Hand) Crank Arm (170mm) Hollowtech II (Black) NEW
