The Shimano Ultegra FC-R8100 12-Speed Chainrings are designed for high performance and compatibility with Shimano's R8100 cranksets. Crafted with Hollowglide technology, these chainrings optimize stiffness while maintaining a lightweight profile, making them ideal for competitive cycling.

Available in sizes 46/36, 50/34, and 52/36, these chainrings are engineered for Shimano 12-speed groupsets, ensuring seamless gear transitions.

• Engineered with Hollowglide technology for optimal stiffness and lightweight.
• Compatible with 110 BCD 4-bolt cranksets.
• Available in multiple sizes to suit various cycling needs.