The Presta Pro Head is a premium, fully CNC-machined pump head designed to pair perfectly with Lezyne HP (high-pressure) and HV (high-volume) pumps. An easy-to-use, slip-on pump head designed for Presta-only applications – the ergonomic, slim, aluminum lever is actuated to securely lock the Presta Pro Head onto the valve for reliable high-airflow inflation. The innovative Valve Bleed System (VBS) engages the valve pin allowing for fine-tuning tire pressure- Simply push the VBS button to release air from the tire to achieve the desired pressure. Engineered using corrosion-resistant brass internals and a robust aluminum body with a gloss silver anodized finish. A premium slip fit lever actuated presta only floor pump head Fully CNC-machined aluminum construction Compatible with Lezyne high-pressure and high-volume pumps Valve Bleed System (VBS) allows for smart tire pressure adjustments Ergonomic design Corrosion-resistant brass internals Color: Silver Weight: 42g