Prestaflator Mini - Bicycle Tire Inflator - Presta Air Compressor Tool EASY USE - Truly one-handed. Push-on, Inflate, Pull-off with one hand. Hold you bike with the other hand. ACCURACY - Delivers pre-set pressure - dial-in pressure setting on your compressor. FEATURES - Cycling Specific flow valve for gentle inflation or fast seating tubeless tires. RELIABILITY - Quick-Click2 Presta head provides a good seal, yet is gentle on tire valves - including tubeless and removable valve core products. QUALITY: Prestacycle isdedicated to putting new ideas and innovations in the hands of cyclists. As life-long cyclists, we understand its about riding and actually being on the ride. We make products to do the right job quicker, and give you more time in the saddle.