Shimano GRX ST-RX815 2 x 11-Speed Di2 Left Drop-Bar Shifter/Hydraulic Brake Lever BR-RX810 Flat Mount Caliper Pre-Bled 1000mm Hose MFPN=300-1000-063 Frame Mount Width 31

Frame Mount Width 31

Brake Lever Actuation Hydraulic Rotor Included No Brake Caliper Type Post Mount Color Diffusion Black Anodized Hydraulic Fluid Type DOT Brake Lever Use Left Pad Compound Organic Hydraulic Hose Length 950 Adjustable Reach Yes Adjustable Contact Point No

Internal spindle spacer adds additional protection

5 to 2 years of battery life from CR1632 shifter batteries

use DC-9127 or DC-9129

Shimano GRX ST-RX815 2 x 11-Speed Di2 Left Drop-Bar Shifter/Hydraulic Brake Lever BR-RX810 Flat Mount Caliper Pre-Bled 1000mm Hose MFPN=300-1000-063 Frame Mount Width 31Shimano GRX ST RX815 2 x 11 Speed Di2 Left Drop Bar Shifter Hydraulic Brake Lever with BR RX810 Flat Mount Caliper Pre Bled 1000mm Hose. GRX ST RX815 Di2 Shifter Hydraulic Brake LeverA raised hood head prevents hand misalignment and slippage while a recessed finger notch prevents upward slipping Anti slip texture and brake lever coating Higher brake lever axis and curved lever allow for higher braking efficiency to reduce fatigue on long rides Tooled