Presta and Schrader Compatible : portable bike pump is compatible with Presta & Schrader. The hole marked "P" on the valve refers to the Presta, "S" refers to Schrader. ?Tips?Remember to pull up the lock handle when pumping up, so that the airwill not leak. Reliable and Durable : This hand pump made of high-grade aluminum alloy with durable and precise parts.Multiple leak-proof rubber rings, ergonomic design, save your pumping effort. Portable and Lightweight : Feel free to fix the pump on your bike frame or put it in backpack during the road trip. Riding alone or with friends, take this pump with you and simply enjoy your ride with no worries. Wide Range of Application : This mini bike inflatable tube can not only inflate bicycles, but also inflate basketball, football, volleyball and other balls, swimming rings and inflatable swimming pools. Mini Bike Pump & Glueless Puncture Repair Kit - Fits Presta & Schrader - 120 PSI - No Valve Changing Needed Material : ALLOY Size : 28.5cm Pump Feature : High Pressure Mini Bike Inflatable Pump Pump Design : Ultralight Portable Bicycle Cycling air Pump Pump Size : 28.5CM Pump Use : Mountain Bike / Road Bike / Mtb Bicicleta Item Style : Bike Accessories / Bike Tire Tools Bike Pump Weight : about 200g Valve : Schrader valve, Presta valve