Shimano Dura-Ace CS-R9100 11-Speed Cassette 11T Alloy, Lightweight Performance Bar Clamp Diameter (mm)_35.0mm and a responsive ride for

and a responsive ride for gravel and road biking

and long-lasting wear for daily rides or racing

Integrated standlight technology maintains visibility when stationary

- Lightweight at only 41 grams for minimal rotational mass

Shimano Dura-Ace CS-R9100 11-Speed Cassette 11T Alloy, Lightweight Performance Bar Clamp Diameter (mm)_35.0mm and a responsive ride forElevate your cycling performance with the Shimano Dura Ace CS R9100 11 Speed 11t First Position Cassette Cog, the ultimate choice for professional racers and serious enthusiasts. Crafted with precision engineering and top tier materials, this high performance cassette cog is designed to deliver seamless gear transitions, exceptional durability, and optimized weight for competitive cycling. Materials & Construction: Constructed from high strength