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Say goodbye to cables! The latest generation of Shimano’s 105 drivetrain is state-of-the-art with the addition of the Di2 electronic shifting system. Now more affordable than ever this technology offers total control and unmatched reliability in all conditions.Shimano paid attention to every detail in the design of the R7100 crankset which features an anodized finish and hollow aluminum crankarms to make it lighter. The resin ribs at the back of the chainrings were designed with the same purpose. The result A light weight of 754g only 50g more than the last Ultegra model! It uses the Hollowtech II system an integrated crankset axle that offers an optimal balance between stiffness resistance and power transfer.The 105 components have always been trusted for their reliability and durability. The R7100 crankset is no exception.
- Optimal balance of stiffness strength weight and rotational performance
- HOLLOWTECH II structure cuts weight yet maintains strength for better power transfer
- Crank arm length: 160 165 170 172.5 175 mm
- Gear combination: 50-34T 52-36T
- Q-factor: 148 mm