The Shimano Ultegra FC-R8100 crankset is a high-performance, 12-speed road cycling component, known for its optimal balance of stiffness, strength, and light weight through Shimano's Hollowtech II and Hollowglide technologies.
Key Specifications
Model Number FC-R8100
Series Ultegra R8100 (12-speed)
Crank Arm Length 170 mm
Chainring Combination 52-36T
Weight Approx. 711 g (for 52-36T, 170mm option)
Compatible Chain HG 12-speed (e.g., CN-M8100)
Chain Line 44.5 mm
Q-factor 148 mm
Bottom Bracket Outboard, Press-Fit, or Threaded (Hollowtech II type; not included)
Features:
- Optimal Power Transfer: The crankset is designed to provide excellent power transfer efficiency while maintaining high rigidity and reducing weight.
- Precise Shifting: Features Hollowglide structure chainrings, which are hollow for reduced weight and increased stiffness, ensuring fast and precise front shifting.
- Wide Compatibility: It is compatible with various road bike frames and bottom bracket types using the Hollowtech II standard.
- Aesthetics: It has a sleek, modern, and asymmetric design that matches the overall Ultegra R8100 groupset aesthetic.
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