Shimano Ultegra FC-R8100 Crankset

The Shimano Ultegra FC-R8100 Crankset delivers efficient, responsive power transfer for modern road cyclists who demand precision and performance. As part of Shimano’s latest 12-speed road system, it is engineered to balance stiffness, strength, and low weight, ensuring smooth acceleration and consistent performance across varied riding conditions. The Hollowglide construction helps reduce weight while preserving rigidity, improving pedaling efficiency and shift quality under load.

Designed for a wide range of riders and fit requirements, the FC-R8100 offers multiple crank arm lengths and chainring options to accommodate different biomechanics, including triathletes and performance-focused cyclists. With a 148mm Q-factor and 44.5mm chainline, it integrates cleanly with modern road frames and drivetrain standards, delivering precise shifting and dependable drivetrain alignment for high-performance riding.

Key Features

• Hollowglide Lightweight Structure – Reduces mass while maintaining stiffness for efficient power transfer.
• 12-Speed Optimized Shifting – Smooth, precise front shifting for consistent drivetrain performance.
• Modern Fit Compatibility – Multiple lengths with 148mm Q-factor and 44.5mm chainline for broad bike integration.