The newly designed crank arms for the perfect balance between weight and efficiency.
The crank, formed with hollow aluminum technology, is finished in a beautiful gloss black anodized finish, giving it a luxurious look.
The ribbed rear of the chainrings are SHIMANO 105's unique design that delivers both significant weight reduction and tight shifting performance.
- Optimal balance between stiffness, strength, weight and rotational performance
- HOLLOWTECH II structure improves power transfer by providing the same strength at a lower weight
Specifications:
Brand: Shimano
Model: 105 R7100
Crank arm length: 170 mm
Gear combination: 34/50T
Q-factor: 148 mm
Chain guard: Without
Recommended Bottom Bracket Threaded (Normal): SM-BBR60
Recommended Bottom Bracket Press Fit: SM-BB72-41B
Color: Black
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