Jr. Pro Children's Upgrade Kit Saddle water pack part Shimano GRX RX810 hydraulic brake

Shimano GRX RX810 hydraulic brake levers offer greater control for riding on mixed terrain

Our Bluegrass Solid knee pads are designed for full protection against the most common impacts

Compatible with Garmin and Wahoo

manufacturing and assembly is done to exacting standards in Asheville

Jr. Pro Children's Upgrade Kit Saddle water pack part Shimano GRX RX810 hydraulic brakeThe industry's first all in one premium youth components upgrade kit, which is ergonomically optimized to enhance performance and ultimate control. Includes Slater 90 pedals, Slater 650 bar, Slater Jr. grips, and a Fly Jr. saddle Includes light plastic 22. 2 to 19mm shims, located inside the packaging with the instruction manual