The Shimano 105 FC-R7100 12-speed crankset offers an optimized balance between lightweight and efficiency without sacrificing stiffness.
The crank is formed with hollow aluminum technology and finished with a durable gloss black anodized. The resin ribs on the back of the chainrings are Shimano 105’s unique structural design that achieves both through weight reduction and crisp shifting performance.
FEATURES
- Optimal balance of stiffness, strength, weight and rotational performance
- HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
- Hollow anodized aluminum arms for lightweight, rigidity, and durability
- 44.5mm chainline
- 148mm Q-factor
- Compatible with HG 12-speed chain
SPECIFICATIONS
- Number of Chainrings:Double
- Chainline/Hub Compatibility:135/142 Road Disc Hubs > 415 mm Chainstay
- Spindle Interface Type:Shimano Hollowtech II
- Chainring BCD:110 Shimano Asymmetric
- keyword search:105
- Color:Black
- Crank Length (mm):160
- Crank Intended Use:Road
- Pedal Spindle:9/16″
- Rings:50/34
- Drivetrain Speeds:12
- Defined Color:Black
- Weight:754
- BB Included:No






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