Cranksets

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

The Shimano FC-RX820 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. - Gravel-optimized 48-31t gear combination ratios preserve riding rhythm on rough surfaces - The 17t range covers an array of riding conditions - Smaller gear steps for cadence control on mixed-terrain riding - Hollowtech II crank arms provide strength and stiffness with the benefit of weight savings - Compatible with HG 12-speed chains - 47mm chainline - 151mm Q-factor

Shimano's new FC-RX600-11 crank balances weight and efficiency for mixed-terrain riding. Gearing options cater to the specific demands of gravel riding, with tighter gear steps for maintaining optimum pedaling cadence. The 2x11-speed crank is available in a 46-30T or 40T chainring combination and 170, 172.5, and 175mm crank arm lengths. - Wider gear range for long tours or unknown terrain - Optimum gearing for mixed terrains and riding styles - Gear combination: 46-30T, 40T

- Series: SORA - Crank Construction: 2-piece crank construction - Bottom Bracket: BB-RS500, BB-RS500-PB - Chain Line: 43.5 - 9-speed - Four-arm BCD

Shimano Acera FC-M361 cranksets feature sturdy construction, reliable shifting, and replaceable chainrings. - Spindle Interface type: Square Taper JIS