Shimano GRX ST-RX820-R STI 12 Speed Right hand Shifter

Shimano GRX ST-RX610 STI Shifter / Hydraulic Right Disc Brake Lever 12-Speed

Shimano ST-RX820-LA GRX Dropper Post Lever Left Hand for 1 by 12 speed group

Shimano 105 ST-R7120 Hydraulic 2x12 Speed STI Gear/Brake Levers/Shifters

Shimano GRX ST-RX400 GRX mechanical shift hydraulic STI lever; 10-speed;...

SHIMANO GRX 820 12 SPEED GRAVEL BIKE RIGHT HAND SHIFTER NEW

Shimano GRX ST-RX610 STI Shifter Hydraulic Left & Right Disc Brake 12-Speed

Shimano GRX BL-RX810 ST-RX810 1 / 2 / 11 Speed Hydraulic Shifter - Left Or Right