Traditional Presta valves were designed for tubes, not tubeless setups. Sealant can clog them and restrict airflow, making tyre installation slow and messy. Peaty’s Holeshot Fast Flow valves are engineered specifically for modern tubeless systems, improving airflow and preventing common valve issues. Built for Performance After over 2 years of development and 27 design iterations, every detail has been optimised for maximum performance. The valve seal is relocated to the base of the 7075 aluminium stem, creating a larger seal and reducing airflow restrictions so air and sealant move directly into the tyre. Fast-Flow Technology 200% greater airflow than a standard Presta valve....
Best Price: £32.95 from Merlin Cycles