Shimano ST-R9170 Dura-Ace Hydraulic Di2 STi for Drop Bar without E-Tube Wires - Right Hand
The Shimano ST-R9170 Dura-Ace Di2 Hydraulic STI Lever (Right Hand) represents the pinnacle of road bike performance, combining electronic Di2 shifting precision with the unmatched control of hydraulic disc braking. Engineered for professional racing and serious cyclists, this Dura-Ace Di2 shifter delivers effortless, lightning-fast gear changes and powerful, consistent braking in all conditions.
With Di2 electronic shifting technology, a light button press instantly selects the correct gear with absolute accuracy, no cable stretch, no contamination, just smooth, reliable shifting every time. The hydraulic disc brake lever offers progressive modulation and superior stopping power, even from the hoods, while Shimano’s auto-adjusting hydraulic system ensures consistent pad-to-rotor clearance throughout brake pad wear.
Crafted with carbon fibre lever blades, a carbon composite bracket body, and a titanium clamp band, this lightweight right-hand STI lever delivers pro-level ergonomics, durability, and race-ready performance.
- Top-tier Dura-Ace Di2 technology – precise, electronic shifting with minimal effort.
- Hydraulic disc brake control – powerful, consistent braking performance in all conditions.
- Lightweight design – carbon fibre lever blades and titanium hardware.
- Ergonomic STI lever shape – optimised for comfort and natural hand positioning.
- Fully adjustable – reach and free stroke adjustments for a customised fit.
- Two E-Tube ports – allows flexible setup of Di2 wiring (sold separately).
- Weight: 360g per pair – ultralight, pro-level component.
Perfect for riders demanding the best road bike shifters and hydraulic disc brake performance, the Shimano Dura-Ace ST-R9170 Di2 STI Right Lever ensures seamless integration with Shimano’s top-end groupset. Whether racing or training, this lever provides maximum control, precision, and efficiency with zero compromise.