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
Item Specifications |
BB Included |
No |
Chainline/Hub Compatibility |
135/142 Road Disc Hubs > 415 mm Chainstay |
Chainring BCD |
110 Shimano Asymmetric |
Color |
Black |
Crank Intended Use |
Road |
Crank Length (mm) |
170 |
Defined Color |
Black |
Drivetrain Speeds |
12 |
keyword search |
105 |
Number of Chainrings |
Double |
Pedal Spindle |
9/16" |
Rings |
50/34 |
Spindle Interface Type |
Shimano Hollowtech II |
Weight |
754 |
Shimano 105 FC-R7100 Crankset Crankset UPC: 192790172521