Fits PRESTA + SCHRADER:Simply switch the valve without an adapter. This bike pump is compatible with universal Presta and Schrader valves,and can inflate for road bikes, mountain bikes, BMX, kids bikes etc. Super Fast Inflation:Secure thread-on valve connection, enables a tight seal with no air leaks. Extra longs barrels and oversized piston deliver awesome pumping power for high volume & high pressure, up to 100 PSI Lightweight and Portable:This portable bike pump is very small and light. You can put it in your travel bag or pocket, and we also provide you with a frame so you can also mount it on your bike.(Our frame mount bracket with extra security strap. Pre-drilled holes in bike frame required for installation of pump mount.) 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. 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.