Shift/Brake Lever Set Shimano 105 Di2 R7170 Left, 2-Speed
Shimano 105 Di2 R7170 left 2-speed shift and brake lever set for road bikes. Electronic precision with powerful hydraulic disc braking.
Overview
Shift/Brake Lever Set Shimano 105 Di2 R7170 Left, 2-Speed
The Shimano 105 Di2 ST-R7170 + BR-R7170 left 2-speed shift and brake set brings electronic Di2 shifting to the 105 level for the first time, delivering precise and intuitive front shifting to a wider range of riders. The system integrates smooth electronic shifting with powerful hydraulic disc braking in one ergonomic unit.
The Dual-Control (STI) lever allows seamless control of both shifting and braking, ensuring a clean cockpit and natural hand position. Adjustable lever reach and customizable button functions via the E-TUBE PROJECT app enable riders to fine-tune their ideal ergonomics.
The included BR-R7170 Flat-Mount caliper with L05A-RF resin pads featuring cooling fins provides strong and consistent braking performance. The One-Way bleeding system simplifies maintenance, while the mineral oil hydraulic system ensures stable and predictable braking in all conditions.
- Model: ST-R7170-L + BR-R7170
- Series: Shimano 105 Di2 R7100
- Use: Road
- Type: Dual-Control (STI)
- Front speeds: 2-speed
- Brake type: Hydraulic disc brake
- Brake mount: Flat Mount
- Brake pads: L05A-RF Resin with Fin
- Brake hose: SM-BH90-JK-SSR (1000 mm, cuttable)
- Recommended Disc Brake Rotor: SM-RT70 / SM-RT64 (140/160 mm)
- Compatible cable: EW-SD300
- E-TUBE PROJECT support: ✔
- Wireless Di2 unit: ✔
- Battery: CR1632 x 2
