Portable Bicycle Tire Inflator Air Pump Mountain Bike Cycling Tire InflatorThe product is shipped based on the color or size of the main image of the product page.Features:Easy to attached the inflating pump to the valve of your tire.It's could use for a valve when you use it directly.If you unscrew the plastic cap of the nozzle, then overturn the rubber inside, it will become a valve using one.Pump the handle up and down to fill the tube with airThe latest design: You could installed to the water bottle holder directly. Another accessories could take down easily. If you don't like to hold it on your bike just put in in bag would be fine.Specification:Item size: 230*59mmColor: BlackMaterial: plasticApply: bike, bicyclePacking content:1 X Mini Portable Bike Bicycle Tire Inflator Air Pump