FUNN Fast Air Tubeless Valve Needs Images 3D Vent Mesh: Multi-directional airflow

3D Vent Mesh: Multi-directional airflow and cushioning to maximize comfort and breathability

Clamping Diameter:

Vacuum de-gassed process for the purest chromium alloy steel

The floating design compensates for thermal expansion caused by heavy braking and helps to self-centre the rotor within the caliper to reduce drag

While the post does use internal seals (less than other posts) air can sometimes escape to places it shouldn't be

FUNN Fast Air Tubeless Valve Needs Images 3D Vent Mesh: Multi-directional airflowADVANCED VALVE SYSTEM FOR ENHANCED PERFORMANCE AND CONVENIENCE FastAir is an innovative valve system that greatly improves the speed and ease of tire inflation. Its unique design features 3 times greater airflow than traditional Presta valves, making it significantly easier to seat tubeless tires and maintain optimal air pressure. Installation is straightforward simply replace your existing Presta valves with FastAir. The cap design also allows for