Shimano Dura Ace ST-R9180 Di2 Hydraulic STI Lever

Integrated E-TUBE & Internal Brake Routing: Clean, aerodynamic installation for TT and triathlon bikes.
Hydraulic Disc Brakes: Improved stopping power and modulation from all hand positions.
Lightweight Construction: Carbon fibre lever blades with carbon composite bracket body for race-ready performance.
Programmable Di2 Buttons: Single button on each lever supports Shimano Synchronized Shift functionality.
Customisable Ergonomics: Lever reach and free stroke adjustments for hand size and pad-to-rotor setup.
Aerodynamic Profile: Optimised grip and positioning for maximum power transfer.
Professional-Level Performance: Designed for competitive racing and high-performance riding.

Designed for time trial and triathlon bikes, the Shimano Dura-Ace ST-R9180 Di2 hydraulic STI lever combines the precision of electronic Di2 shifting with the confidence and stopping power of hydraulic disc brakes. Optimised for aerodynamic performance and comfort, these levers provide a competitive edge in races and training alike.

With integrated internal cable routing and lightweight carbon fibre lever blades, the ST-R9180 offers sleek, responsive ergonomics, letting riders transfer power efficiently while maintaining control from all hand positions. Programmable Di2 buttons enable Synchronized Shift, while lever reach and free stroke adjustments ensure a perfect fit and precise braking feel.

Technical Specifications:

Part Codes: ST-R9180-L (Left) / ST-R9180-R (Right)
Orientation: Left-hand or Right-hand
Shifter Type: Time Trial / Triathlon dual control lever
Speed: 11-speed
Shifting: Shimano Di2 electronic
Compatible Di2 Wire: EW-SD50 (sold separately)
Brake Type: Hydraulic disc
Brake Fluid: Shimano red mineral oil
Recommended Brake Hose: SM-BH90-JK-SS
Recommended Brake Calliper: BR-R9170
Average Weight: 99g per lever
Note: Dual control lever only; Di2 wires not included

Type	Gear Shifters, Derailleurs & Spares
Speed	11 Speed
SKU	486907

Shimano Dura Ace ST-R9180 Di2 Hydraulic STI Lever, Left Hand Double