AiraceUSA Airace Bicycle Telescope Mini Pump, Portable & Ultralight for Presta, Schrader and Dunlop Air Valves, Micro telescope size pump & Maximum pressure 100 PSI. Interchangeably with Presta, Schrader & Dunlop air valves. Extractable hose attached protection. Avoid damage to the tire valve Design for both MTB & Road Bike Quality guarantee & Warranty applied