An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.
- 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
- 148mm Q-factor
- 44.5mm chainline
Manufacturer Shimano
Manufacturer Part Number IFCR8100MX04
UPC 192790893747
Model Shimano Ultegra FC-8100 12-Speed Crankset
Crankset Style Road
BB Crank Interface 24mm Spindle
Crankset Arm Length 160mm
Color
Black
Rings
50/34
Number of Chainrings
Double
Crank Length (mm)
160
Crank Intended Use
Road
Drivetrain Speeds
12
BB Included
No
Pedal Spindle
9/16"
Spindle Interface Type
Shimano Hollowtech II
Chainring BCD
110 Shimano Asymmetric
Chainline/Hub Compatibility
130 Hubs
Defined Color
Black






