Super fast inflation: secure threaded valve connection, allows a perfect seal without air leaks. Extra long barrels and oversized piston provide excellent pumping power for high volume and high pressure, up to 100 psi Portable and compact: the mini portable bike pump weighs only 80 ;g, you can easily put it in your travel bag or pocket. We also provide you with a frame, you can install it on your bike, so that the hand bike pumps can be carried with the bike. More application areas: hand pump air can not only easily seal all tires of mountain bikes, mountain bikes, bicycles, BMX, children's bikes, strollers. Besides, this bicycle air pump can inflate basketball, soccer ball, balls, swimming buoys. Reliable and durable: This mini bicycle tire pump is made Made of high quality aluminum alloy with durable and precise parts. Multiple waterproof rubber rings, ergonomic design, save your pumping efforts.