Shimano Grx 800 1x11 set includes
1.Shimano Grx Disc Brake Set Shift- Brakelever St-Rx810 + BR-RX810 Flat Mount right 11 speed
2.SHIMANO GRX Disc Brake Set Shift- Brakelever ST-RX820 + BR-RX820 Flat Mount left Variant 1; Only Brake Function
3.SHIMANO GRX Rear Derailleur RD-RX812 Shadow+ 1x11-speed or RX810