Product Description
The newly designed Shimano 105 FC-R7100 crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are Shimano 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance.
Main features:
Optimal balance of stiffness, strength, weight and rotational performance.
Hollowtech II structure cuts weight yet maintains strength for better power transfer.
Features:
Model: FC-R7100.
Series: Shimano 105 R7100 12S (Mechanical).
Color: Black.
Weight: 754 g (50/34T).
Speed: 12S.
Compatible chain: HG 12S.
Chain line: 44.5 mm.
PCD/BCD: 110 mm.
Chainring combination: 50/34T.
Q-factor: 148 mm.
Recommended bottom bracket (Threaded): Shimano SM-BBR60.
Recommended bottom bracket (Press-Fit): Shimano SM-BB72-41B.
Bottom bracket sold separately.
References:
IFCR7100CX04: Shimano 105 FC-R7100 Crankset 2x12-Speed 50/34T 170 mm.
IFCR7100DX04: Shimano 105 FC-R7100 Crankset 2x12-Speed 50/34T 172.5 mm.
IFCR7100EX04: Shimano 105 FC-R7100 Crankset 2x12-Speed 50/34T 175 mm.