With smaller, sleeker hoods, the 2×11-speed compatible ST-R9100 STI units deliver improved ergonomics for better rider comfort and control, with reduced lever stroke and lighter action.
Most advanced component group of all time: The Shimano Dura Ace 2×11-speed STI Dual Contral ST-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 technologies. 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 premium DURA-ACE hydraulic disc brake performance. 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.
Quick and intuitive rear shifting operation
Shorter lever stroke
Redesigned internal shifting unit
Lighter front shifting operation
Redesign front system with new front derailleur
Comfortable grip and operation
More customizable and precise lever position
Expanded reach adjustment range (14 mm) Mechanical Brake
Consistent braking performance in any condition
Group: Dura Ace
Type: Dual-Control (STI)
Handlebar mounting: left/right
Gear front: 2-speed
Gear rear: 11-speed
Optical gear display: No
Lever reach adjust: Yes (screw)
Handlebar diameter: 23.8mm/24.2mm
Multi-Bearing construction: 4 right, 4 left
Lever: Carbon, painted
365g / pair (manufacturer information)