The Topeak Pressure-Rite Presta Valve Adapter is a premium anti-air loss connector designed for accurate inflation and precise pressure retention on high-performance bikes. Perfect for disc wheels, deep-section rims, and other hard-to-reach valve setups, it ensures zero air loss during removal to maintain exact tire pressure. Constructed from solid brass for exceptional durability and corrosion resistance, this compact adapter delivers long-lasting reliability for serious cyclists. Whether you’re fine-tuning your tire pressure or topping off before a race, the Pressure-Rite provides a professional-grade seal for consistent, worry-free performance. 1.5” x 0.9” x 0.4”.