GrimmTools Presta and Schrader Car Tire Inflator Gun. Great for Road Bikes, Mountain Bikes, Cars, ATVs. No need for an adapter. Seat tubeless tires with ease. Locking head has both presta and schrader chucks. This presta inflator gun is a universal bicyle tire inflator for both presta and schrader valves Exclusive Ergonomic rubber coating on trigger. Precision pressure gauge measures up to 150 PSI Extra long 26" hose to easily access tight spots on Mountain Bikes, Road Bikes Integrated pressure relief button. Works with any air compressor. No need for a presta adapter. Great for tubeless tire installation in mountain and road bicycles.