SHIMANO GRX ST-RX815 Di2 Hydraulic Disc Brake/Shift Lever Kit Flat Mount 2x11-Speed with Caliper

SHIMANO GRX ST-RX815 Di2 Hydraulic Disc Brake/Shift Lever Kit Flat Mount 2x11-Speed with Caliper 

Designed for riding on rough roads, through gravel and mud, to be able to carry on in comfort, stress-free, to wherever you want, to allow you to achieve that unique sense of accomplishment. The first groupset designed for Gravel riding Explore beyond

Raised hood head prevents hand misalignment and slippage
The recessed finger notch prevents upward slipping
Anti-slip texture and brake lever coating
Improved braking input performance
Higher brake lever axis and curved brake lever
Improved grip and confidence on choppy surfaces and descents
Higher braking efficiency reduces fatigue on long rides

Series: Shimano GRX Di2 11-speed
Brake Fluid: Shimano mineral oil
Pre-bled with BR-RX810 brake caliper and SM-BH90-JK-SSR hose kit
Includes K03S Resin finned brake pads (also compatible with K04S, and L04C pads)
Brake Mount: flat mount caliper
Recommended Brake Rotor: SM-RT800 (sold separately)
Free Stroke Adjust: Yes
Servo Wave Mechanism: Yes
Tooled Reach Adjust: Yes
E-tube Ports: 2
Compatible Derailleur Type: 11-speed road Di2
1x11 Recommended Cassettes: CS-M8000, 11-40t/11-42t
2x11 Recommended Cassettes: CS-R8000, 11-30t/11-32t; CS-HG800-11, 11-34t
Includes OT-SP41 shift housing, and Polymer coated cables

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.