With smaller, sleeker hoods, the 2x11-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 2x11-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.
Features
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
Product features
Use: Road
Group: Dura Ace
Model: ST-R9100
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
Brake-type: SLR-EV
Material
Body: CFRP
Lever: Carbon, painted
Weight
365g / pair (manufacturer information)