Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Right 10-Speed Black Model=High C 29 BMX Bike }Zipp Cognition Rim-Brake Rear Hub

}Zipp Cognition Rim-Brake Rear Hub Axle with Bearings Gen 1

The Posi-Fit retention system is fully adjustable for fine-tuning entry and release

Nutrition pocket on the right shoulder strap

Can stretch easily to allow user to lay down a bike Tongue Type Square

Shimano GRX ST-RX400 Hydraulic Brake/Shift Lever - Right 10-Speed Black Model=High C 29 BMX Bike }Zipp Cognition Rim-Brake Rear HubGRX 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 Hydraulic Fluid Type Mineral Oil