Designed to allow 4x greater airflow than standard valves and helps to prevent sealant build-up.Tubeless tyres and rims have become commonplace in the bike world now, from road, gravel and MTB, with original tubeless setups being tricky to inflate without specialist equipment and sealant combination causing issues, the new Halo Hi Flow valve is designed to help users inflate and maintain their setups with ease. Offering 4x greater airflow during the installation of tubeless setups and a no-clog valve, these valves lower maintenance and servicing of your tubeless setup