Shimano GRX ST-RX820-LA Brake/Seatpost Remote Lever - Left For Hydraulic Disc Brake Lever Dropper Post Remote Model=Ultegra ST-R8170 Di2 12-Speed Hydraulic Brake/Shift Lever BB/Frame Interface BB30 BB Shell

BB/Frame Interface BB30 BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 48 Spindle Interface Type Hollowtech II

5 Wheel Size 27

}Wheels Manufacturing Derailleur Hanger - 326 Giant

Flat Protection Tread and SidewallTPI 127Color BlackDefined Color BlackISO Width (mm) 35ISO Diameter 622 / Road / 29"Tire Intended Use RoadTire Diameter 700cTire Bead FoldingLabeled Size 700 x 35Tire Type Tubeless Ready Clincher

Shimano GRX ST-RX820-LA Brake/Seatpost Remote Lever - Left For Hydraulic Disc Brake Lever Dropper Post Remote Model=Ultegra ST-R8170 Di2 12-Speed Hydraulic Brake/Shift Lever BB/Frame Interface BB30 BB ShellShimano GRX ST RX820 LA Brake Seatpost Remote Lever Left For Hydraulic Disc Brake Lever with Dropper Post Remote. The Shimano GRX ST RX820 left dual control lever delivers light and responsive mechanical shifting for mixed terrain riding and racing (Note: LD0374 is a non shift dropper post remote variation for 1x set ups). The ergonomic shifter design improves comfort by decreasing pressure on your palms while the textured anti slip brake lever