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.
- 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
Manufacturer Shimano
Manufacturer Part Number IFCR7100DX04
UPC 192790172545
Model Shimano 105 FC-R7100 Crankset
Crankset Style Road
BB Crank Interface 24mm Spindle
Rings
50/34
Number of Chainrings
Double
Drivetrain Speeds
12
Chainring BCD
110 Shimano Asymmetric
Chainline/Hub Compatibility
135/142 Road Disc Hubs > 415 mm Chainstay
Color
Black
Crank Length (mm)
172.5
Crank Intended Use
Road
Weight
754
BB Included
No
Pedal Spindle
9/16"
Spindle Interface Type
Shimano Hollowtech II
Defined Color
Black
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