Shift/Brake Lever Shimano 105 ST-R7170 Di2 Left, 2-speed
Shimano 105 ST-R7170 Di2 left 2-speed STI lever delivers precise electronic front shifting and powerful hydraulic braking for road cycling.
Overview
Shift/Brake Lever Shimano 105 ST-R7170 Di2 Left, 2-speed
The Shimano 105 Di2 ST-R7170 is a left-hand 2-speed STI Dual Control shift/brake lever that introduces Di2 electronic shifting to the 105 R7100 road series. It combines lightning-fast and precise electronic front shifting with powerful hydraulic disc braking for a modern and refined road cycling experience.
Wireless connectivity creates a clean cockpit and enhances bike aesthetics while maintaining instant and reliable shifting performance. Its compact and ergonomic design is inspired by DURA-ACE components – a raised hood improves hand positioning and a longer lever body provides better support and grip. Button functions can be easily customized via the E-TUBE app, and reach adjustment ensures optimal lever position for maximum comfort and control.
- Application: Road
- Group: Shimano 105 Di2 R7100
- Model: ST-R7170-L
- Type: Dual-Control (STI), Di2
- Mount: Left
- Front speeds: 2-speed
- Reach adjustment: Yes
- Handlebar diameter: 23.8–24.2 mm
- Brake type: Hydraulic disc brake
- Recommended caliper: BR-R7170
- Brake hose (set): SM-BH90-J-SSR / SM-BH90-JK-SSR
- Hose joint: Straight
- Compatible electric wire: EW-SD300
- E-TUBE Project: Yes
- E-TUBE port: 1
- E-TUBE plug: 0
- Di2 wireless chip: Yes
- Battery: CR1632 x 2
