Shift/Brake Set Shimano 105 ST-R7170/BR-R7170 Di2 Right, 12-speed
Shimano 105 R7170 Di2 right set combines fast 12-speed electronic rear shifting with powerful hydraulic disc braking for modern road cycling.
Overview
Shift/Brake Set Shimano 105 ST-R7170/BR-R7170 Di2 Right, 12-speed
The Shimano 105 ST-R7170 + BR-R7170 is a right-hand 12-speed Di2 Dual Control shift and hydraulic disc brake set designed for modern 1x12 or 2x12 road drivetrains. It combines fast and precise electronic rear shifting with a powerful flat-mount disc brake for a clean cockpit and confident control in all riding conditions.
Wireless Di2 technology delivers lightning-fast shifting with minimal effort, while the advanced hydraulic brake system provides strong and consistent braking power. Reach adjustment allows riders to fine-tune ergonomics, and the one-way bleeding system ensures simple and maintenance-friendly servicing. The result is precise 12-speed shifting and reliable braking performance for today’s road bikes.
- Mount: Right
- Rear speeds: 12-speed
- Reach adjustment: Yes
- Handlebar diameter: 23.8–24.2 mm
- Brake type: Hydraulic disc brake
- Brake caliper: BR-R7170
- Mount type: Flat-Mount
- Brake pads: L05A-RF Resin with Fin
- Brake hose: SM-BH90-JK-SSR rear 1700 mm (cuttable)
- One-way bleeding: Yes
- Brake fluid: Shimano mineral oil
- Recommended rotor: SM-RT70, SM-RT64 (140/160 mm)
- Brake hose fitting: Straight
- Body material: CFRP (Carbon Fiber Reinforced Polymer)
- Lever material: Aluminium
- Caliper material: Aluminium
