Dura-Ace CS-R9100 11 Speed Cassette

Introducing the Shimano Dura-Ace CS-R9100 11-Speed Cassette, a performance component designed to deliver reliable shifting and notable weight savings for serious cyclists. Built with CFRP/alloy spider arms and five titanium sprockets, this cassette balances strength and reduced mass for smoother power transfer. Available in multiple gear ranges to suit varied riding styles and terrain.

• Constructed with CFRP/alloy spider arms and five titanium sprockets for a lighter, more responsive drivetrain
• 11-speed compatibility with your existing Shimano road setup
• Multiple cassette ranges available: 11-25, 11-28, and 11-30 to match your climbing or sprinting needs
• Precise gearing options to help maintain a consistent cadence across different gradients
• Dura-Ace pedigree ensures consistent, dependable performance for demanding use