Shimano 105 Di2 ST-R7170 / BR-R7170 Hydraulic Disc Shift Lever — Left/Front, 12-
Shimano 105 Di2 ST-R7170 with BR-R7170 is a pre-bled left/front electronic shift and hydraulic disc brake unit for 12-speed road and all-road bikes.
105 Di2 electronic shifting with hydraulic power — genuine Shimano, brand new.
Will it fit? This is the left lever / front brake with a 1000 mm hose, supplied as a pre-filled J-kit (lever + flat-mount caliper + hose). For Shimano 12-speed Di2 road systems (105 R7100 Di2). Flat-mount caliper; pair with a Center Lock rotor (sold separately).
Key Specifications
Brand | Shimano |
Series | Shimano 105 Di2 |
Model | ST-R7170 / BR-R7170 |
MPN | IR7170DLF6SC100D |
UPC | 192790231419 |
Type | Shift/Brake Lever |
Speeds | 12-Speed |
Position | Left / Front |
Hose Length | 1000 mm |
Mount | Flat Mount |
Material | Aluminum / composite |
Weight | 230 g (8.1 oz) |
Color | Black |
Country of Origin | Japan |
Condition | Brand new — original Shimano retail packaging |
Technology Highlights
✓Semi-wireless Di2 — fast, precise electronic shifting from the left control.
✓Hydraulic disc braking — powerful, consistent stopping in all conditions.
✓Pre-bled J-kit — factory-filled with mineral oil for fast installation.
✓Flat-mount caliper — clean integration with modern road frames/forks.
What's in the Box
1 × Shimano 105 Di2 ST-R7170 left shift/brake lever
1 × BR-R7170 flat-mount caliper
Pre-connected 1000 mm hydraulic hose (pre-bled)
Mounting hardware & Shimano documentation
Brand new in retail packaging. Ships from Ontario, California (US domestic) · Estimated delivery 3–5 business days · Free 30-day returns.
