Shimano Ultegra Di2 Hydraulic Brake/Shift Lever ST-R8170-R – Wireless, Ergonomic, and High Performance
Maximum precision, superior control, and wireless Di2 technology: the Shimano Ultegra ST-R8170-R lever is the ultimate upgrade for your road bike.
The Shimano Ultegra Di2 ST-R8170-R brake/shift levers represent the evolution of Shimano's engineering excellence. Equipped with SERVO WAVE technology, they improve braking modulation and sensitivity, offering absolute control in every situation. With the new wireless Di2 platform, shared with the top-of-the-line DURA-ACE series, shifting is even faster, more reliable, and smoother.
Main features
Integrated wireless connection: improves cockpit aerodynamics and simplifies bike maintenance.
Advanced ergonomics: optimized design with direct feedback from professionals; the new raised hood offers a more natural and comfortable grip.
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Optimized brake control:
Extended compatibility: can be used both wirelessly and wired, depending on the cyclist's needs.
Support for satellite shifters: perfect for those who want a fully customizable riding experience.
Superior energy efficiency: easily replaceable CR1632 battery, with an estimated autonomy between 1.5 and 2 years.
Shimano ST-R8170-R Technical Specifications
Brake type: Di2 electronic brake/shifter lever for hydraulic disc brakes system
Model: ST-R8170-R (right)
Technology: Di2 wireless and wired (compatible with both)
Brake compatibility: recommended with brake caliper BR-R8170
Free stroke adjustment: Present
Compatible satellite shifters: Yes
Battery: CR1632 (included – replaceable)
Battery life: from 1.5 to 2 years
Package: Single (1 lever)
Perfect for upgrades on high-end road and gravel bikes
The Shimano Ultegra ST-R8170-R is designed for demanding cyclists seeking high-level performance in shifting, ergonomics, and braking. Thanks to the modularity of the Di2 system, it can be adapted to custom configurations and used in combination with the electronic and hydraulic components of the same Ultegra R8170 series.
