Upgrade your cycling experience with the Shimano Dura-Ace R9100 Chainrings, designed specifically for the 11-speed crankset. These chainrings offer a variety of tooth counts to suit your riding style, ensuring optimal performance on every ride.Incorporates Shimano Hollowglide Technology: This innovative design features a high rigidity hollow structure that reduces weight while maintaining strength, leading to improved power transfer and faster, more precise front shifting.Utilizes a lightweight 4-bolt design with a BCD of 110 mm, allowing for easy installation and compatibility with various setups. Whether you're climbing steep hills or sprinting on flat roads, the Shimano Dura-Ace R9100 Chainrings deliver exceptional performance and durability. Choose the tooth count that best fits your needs, from 34 to 55, and enjoy a smoother, more efficient ride. Perfect for competitive cyclists and enthusiasts alike, these chainrings are engineered to enhance your bike's drivetrain and elevate your cycling experience.