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Shimano Ultegra Di2 ST-R8170 / BR-R8170 Hydraulic Disc Shift Lever — Left/Front, 12-Speed, 1000mm J-Kit, Road Bike
$449.99 USD
Unit price
Regular price
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Shimano Ultegra Di2 ST-R8170 with BR-R8170 is a pre-bled left/front electronic shift and hydraulic disc brake unit for 12-speed road and all-road bikes.
Ultegra 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 (Ultegra R8100 Di2). Flat-mount caliper; pair with a Center Lock rotor (sold separately).
Key Specifications
| Brand | Shimano |
| Series | Shimano Ultegra Di2 |
| Model | ST-R8170 / BR-R8170 |
| MPN | IR8170DLF6SC100F |
| UPC | 192790241050 |
| Type | Shift/Brake Lever |
| Speeds | 12-Speed |
| Position | Left / Front |
| Hose Length | 1000 mm |
| Mount | Flat Mount |
| Material | Aluminum / composite |
| Weight | 225 g (7.9 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 Ultegra Di2 ST-R8170 left shift/brake lever
- 1 × BR-R8170 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.
Shimano Ultegra Di2 ST-R8170 / BR-R8170 Hydraulic Disc Shift Lever — Left/Front, 12-Speed, 1000mm J-Kit, Road Bike
$449.99 USD
Unit price
Regular price
per