V2 Tubeless valves are stronger, lighter, and even easier to use thanks to the machined aircraft grade 7075 aluminum and Muc-Off’s new Tire Insert air ?ow system. The new design features six slots that are machined into the base of the valve stem, allows tubeless sealant ?uid and air to ?ow freely, even when running tubeless tire inserts. Muc-Off V2 Tubeless Valve Kit Features 7075 Machined Aluminum valve stem and cap Tire Insert air flow system keeps air moving freely and is compatible with most tire foam inserts 4mm machined Allen Key slot for easy installation and removal Includes Valve Core Removal Tool (integrated into spare alloy cap) Supplied with various rubber bases to optimize fit with multiple rim types