Crankset Shimano Ultegra FC-R8100 (2x12-speed)

Crankset Shimano Ultegra FC-R8100 (2x12-speed)

Shimano ULTEGRA FC-R8100 2x12-speed crankset builds on Shimano’s legendary front shifting and drivetrain efficiency, delivering even smoother and more precise performance. Designed as an integral part of Shimano’s latest 12-speed road platform, it ensures reliable and consistent power transfer under race-level loads.

Available in an extended range of 160 to 175 mm crank arm lengths, the FC-R8100 offers improved fit for smaller riders, triathletes and cyclists with specific biomechanical requirements. The 4-arm construction with 110 mm BCD provides excellent stiffness-to-weight balance for efficient power delivery.

With a 44.5 mm chainline and 148 mm Q-factor, the crankset achieves an ideal balance between aerodynamics, ergonomics and efficiency. Whether racing or training at high intensity, the ULTEGRA FC-R8100 delivers dependable 12-speed performance.

• Use: Road
• Group: Ultegra R8100
• Model: FC-R8100
• Front speeds: 2
• Rear speeds: 12
• Compatible chain: HG 12-speed
• Chainline: 44.5 mm
• BCD: 110 mm
• Construction: 4-arm
• Q-factor: 148 mm
• Crank lengths: 160–175 mm
• Weight: 700 g (50-34T), 711 g (52-36T)
• Recommended BB (BSA): SM-BBR60
• Recommended BB (Press-Fit): SM-BB72-41B