The Lezyne Grip Drive HP Pump is an extremely compact yet efficient way to keep your tires inflated. It can easily be stored away and taken on a ride in a storage bag. The barrel is constructed with a durable machine aluminum and is extremely ergonomically focused to keep your hand comfortable through pumping. An attached flex hose improves pumping action and easy to use. It is also both presta and shrader valve compatible. Made with the most reliable materials and packed with 120 PSI of pumping power, the Lezyne Grip Drive HP Pump is the perfect tool for high pressure applications.