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  • Regular price $599.95
  • Tax included.

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.
  • 148mm Q-factor
  • 44.5mm chainline
  • 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
Item Specifications
BB Included No
Chainline/Hub Compatibility 130 Hubs
Chainring BCD 110 Shimano Asymmetric
Color Black
Crank Intended Use Road
Crank Length (mm) 172.5
Defined Color Black
Drivetrain Speeds 12
Number of Chainrings Double
Pedal Spindle 9/16"
Rings 52/36
Spindle Interface Type Shimano Hollowtech II