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Shimano Dura Ace 2×11-speed STI Dual Control ST-R9100 Set


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

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



Body: CFRP

Lever: Carbon, painted



365g / pair (manufacturer information)


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