Shimano FC-R8100 Ultegra 12 Speed Chainring

Precision Shifting Meets Lightweight Strength

Elevate your performance with the Shimano FC-R8100 Ultegra Chainringan OEM-quality replacement designed specifically for the Ultegra R8100 (and R8100-P power meter) cranksets. Built to deliver pro-grade shifting and optimized for Shimanos 12-speed HyperGlide (HG) chains, it's the ideal choice for riders chasing efficient, reliable power transfer.

Standout Features

• HollowGlide Outer Chainring Technology
  Crafted with HollowGlide design, the outer chainring removes flex by leveraging a hollow structuremaximizing rigidity while trimming weight. The result? Sharper, more precise front shiftseven under heavy load.

• Optimized for 12-Speed HG Chains
  Every tooth profile is tailored for smooth, reliable engagement with Shimanos 12-speed HG chains, delivering enhanced efficiency and power transfer.

• Premium Materials & Compatibility
  Available in multiple sizes34T, 36T, 50T, and 52Tto suit various gearing preferences. The larger 50T and 52T options are constructed from an aluminumcarbon composite for added strength and weight reduction, while the smaller 34T and 36T versions use lightweight aluminum. All sizes feature an anodized finish and mount on a 110 mm 4-bolt asymmetrical BCD.

Specifications Overview

Why It Shines on Cyclesy

• Feels Just Right: Lightweight yet rigidenjoy fast, accurate front shifts with minimal effort.

• Built for Durability: Smart materials and HollowGlide tech reduce flex and wear, prolonging drivetrain life.

• Versatile Gearing: Choose an ideal chainring size to match your riding terrainclimb better with 34T/36T or cruise flat roads with 50T/52T.

• Seamless Fit: As a direct OEM replacement, installation is seamless with Ultegra R8100 cranksets.

Revive your drivetrain with Shimano FC-R8100 Ultegra Chainringwhere engineering excellence meets performance riding.