Features: 7075 Aluminum machined stem 7075 Aluminum machined cap 4mm machined Allen Key slot for easy installation and removal Tire insert air flow system allows the tires to be inflated easier Includes Valve Core Removal Tool (integrated into spare alloy cap) Supplied with various rubber bases to optimize fit with multiple rim types Suitable for Presta Valves only Available in: Orange, Red, Blue, Iridescent, and Black