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 MPFN-FD40141-10 Decreased rear derailleur tension at

Decreased rear derailleur tension at low gear positions prevents high chain tension

} Includes stiffer springs

}FOX Dropper Post Seal Kit - Transfer 2021

} Flat forward platform allows for ease of movement on saddle

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 MPFN-FD40141-10 Decreased rear derailleur tension atShimano 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