Shift/Brake Lever Set Shimano 105 Di2 R7170 Left, 2-Speed

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