The Shimano Ultegra ST-R8170 / BR-R8170 front brake and shift lever set delivers fast 12-speed Di2 shifting with powerful hydraulic disc braking for high-performance road bikes. This left/front configuration includes the STI lever, front flat-mount brake caliper, and 1000mm hose, making it a premium choice for modern Ultegra R8100 road disc setups.

Key Features

• Shimano Ultegra ST-R8170 / BR-R8170 hydraulic disc brake and shift lever set
• Left lever / front brake configuration
• 2x12-speed Di2 electronic shifting
• 1000mm brake hose
• Hydraulic disc braking with flat mount caliper
• Wireless cockpit design with clean cable routing
• Ergonomic hood shape for comfort and control
• Servo Wave braking performance
• Built for Shimano Ultegra R8100 road disc drivetrains

Specifications

• Condition: New in retail packaging
• Brand: Shimano
• Series: Ultegra R8100
• Model: ST-R8170 / BR-R8170
• SKU: IR8170DLF6SC100F
• UPC: 192790889627
• Type: Brake/Shift Lever Set
• Position: Left / Front
• Shifting Type: Di2 Electronic
• Speed: 2x12-Speed
• Brake Type: Hydraulic Disc Brake
• Caliper Type: 2-Piston
• Mount Type: Flat Mount
• Hose Length: 1000 mm
• Brake Hose: SM-BH90-JK-SSR
• Brake Fluid: Shimano Mineral Oil
• Brake Pad Type: L05A Resin Pads w/ Fins
• Lever Reach Adjust: Yes
• Material: Aluminum, Steel, Composite
• Compatible Bike Type: Road Bike
• Color: Black
• Average Weight: 423 g / 14.92 oz