The Shimano 105 FC-R7100 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.
- 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 arms for lightweight, rigidity, and durability
- 44.5mm chainline
- 148mm Q-factor
- Compatible with HG 12-speed chain
- 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 Intended Use: Road
- Crank Length (mm): 160, 165, 170, 172.5, 175
- Pedal Spindle: 9/16"
- Rings: 50/34
- Drivetrain Speeds: 12
- Defined Color: Black
- Weight: 754
- BB Included: No
