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Pro-Level Shifting, Everyday Reliability

Upgrade your drivetrain with the Shimano Ultegra FC-R8000 Chainring, engineered for crisp, consistent shifting and efficient power transfer on 11-speed road setups. Designed as a direct replacement for Ultegra R8000 cranksets, it offers the same lightweight construction and Hollowglide technology trusted by pro ridersmaking every gear change smoother and more reliable.


Key Features

  • Hollowglide Construction
    Stiff yet lightweight hollow outer rings improve power transfer while reducing weight, helping you ride faster with less effort.

  • Precise 11-Speed Compatibility
    Optimised for Shimano 11-speed HG-EV drivetrains, ensuring seamless front shifting under load.

  • Durable Anodised Aluminium
    Built from high-quality materials to balance performance, weight savings, and long-lasting durability.

  • Multiple Size Options
    Available in compact (50/34T), mid-compact (52/36T), and standard (53/39T) setups, so you can match gearing to your riding style.

  • Direct OEM Fit
    Perfectly matched to Ultegra FC-R8000 crank arms for simple installation and performance you can trust.


Technical Specifications

Feature Detail
Speeds 11-speed HG-EV compatible
Bolt Circle 110 mm, 4-arm asymmetric
Material Anodised aluminium (outer: Hollowglide; inner: lightweight alloy)
Options 34T, 36T, 39T, 50T, 52T, 53T
Compatibility Shimano Ultegra FC-R8000 crankset (also works with Dura-Ace R9100/R8000 series setups)

Why Cyclesy Riders Choose It

  • Race-Ready Shifting Front shifts are crisp and accurate, even when sprinting or climbing.

  • Efficient Power Transfer Hollowglide tech keeps the ring stiff under pressure while trimming unnecessary weight.

  • Trusted Ultegra Performance Premium engineering at an accessible price point.

  • Flexible Gearing Wide range of size options to suit every rider, from climbers to sprinters.


Shimano Ultegra FC-R8000 Chainrings deliver the perfect balance of lightweight efficiency, pro-level performance, and everyday durabilityideal for riders upgrading or replacing their 11-speed drivetrain.