Shimano GRX ST-RX400/BR-RX400 Hydraulic Disc Brake Brake/Shift Lever - Right 10-Speed Flat Mount Finned Resin Pads BLK Manufacturer Number-C0 MR 1526 VV 6mmx24tpi Width 68mm Spindle Length

6mmx24tpi Width 68mm Spindle Length 110mm

Low uniform tread profile offers minimal rolling resistance while edge knobs that are larger and hooked to give you maximum traction in the corners

Integrated Carbon Chassis offers the best possible stability and power transmission

ZR1 hubset

}Maxxis Reaver Tire - 700 x 45 Tubeless Folding Black Dual EXO

Shimano GRX ST-RX400/BR-RX400 Hydraulic Disc Brake Brake/Shift Lever - Right 10-Speed Flat Mount Finned Resin Pads BLK Manufacturer Number-C0 MR 1526 VV 6mmx24tpi Width 68mm Spindle LengthGRX ST RX400 Brake Shift Lever & Disc BrakeGravel inspired Dual Control shift brake lever and bracket ergonomics Anti slip brake lever Same light shifting operation as top tier systems Tooled reach adjust allows for lever to be adjusted to fit multiple hand sizes and riding preferences Compatible only with FD 4700 and FD RX400 front derailleurs and RD RX400 and RD 4700 rear derailleurs Rotor Included No Color Black Brake Caliper Mount Flat Mount