Shimano Dura Ace 11-Speed Cassette CS-R9100 12-25

Description

Lock Ring Technologies HG-EV HG-EV cassette sprocket is for rider-tuned gear combination & cadence management. HG-EV cassette sprocket is obtained 11-speed gear without compromising the 10-speed durability and improved HYPERGLIDE shifting. Available with either Di2 electronic or mechanical shifting, for the first time, riders now have the option of DURA-ACE hydraulic disc brake performance. Most advanced component group of all time: The Shimano Dura Ace 11-speed Cassette CS-R9100 With the introduction of DURA-ACE R9100, Shimano has reestablished the new benchmark for road performance by improving each component and incorporating its newest. Available with either Di2 electronic or mechanical shifting, for the first time, riders now have the option of premium DURA-ACE hydraulic disc brake performance. Engineered for the next generation of race bike, DURA-ACE R9100 offers top-tier performance across numerous configurations. New Shimano technologies further integrate the DURA-ACE as a system, including a new power meter, while riders further integrate with their bike through new E-Tube wireless connectivity. We provide optimal 11-speed drive train gear ratio; you can choice wider and closer gear combination available to match various riding disciplines. Shimano's Rider Tuned philosophy and customization of the bicycle's function also expands with a wider range drivetrain that now includes intuitive Shimano Synchro Shift control.

Key Features

• New Shimano technologies further integrate the DURA-ACE as a system, including a new power meter, while riders further integrate with their bike through new E-Tube wireless connectivity.
• Shimano's Rider Tuned philosophy and customization of the bicycle's function also expands with a wider range drivetrain that now includes intuitive Shimano Synchro Shift control.
• DURA-ACE R9100 delivers unparalleled performance, highly-refined ergonomics and immense customization to maximize every rider's potential.
• Engineered for the next generation of race bike, DURA-ACE R9100 offers top-tier performance across numerous configurations.
• Available with either Di2 electronic or mechanical shifting, for the first time, riders now have the option of DURA-ACE hydraulic disc brake performance.
• We provide optimal 11-speed drive train gear ratio; you can choice wider and closer gear combination available to match various riding disciplines.