Shimano 105 FC-R7100 Crankset - 172.5mm 12-Speed 50/34t 110 Asymmetric BCD Hollowtech II Spindle Interface BLK

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

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
keyword search	105
Crank Length	172.5Mm
Chainring Size	50/34T