Features1Compatible with Presta and Schrader,no extra adapter needed. 2Rotate the button for quick pump. 3As big as a hand for one hand operation and space-saving storage. 4Come with mounting bracket to easy mount on your bike. 5Aluminum alloy construction for great corrosion resistance and durability. 6Threaded head designed for CO2 cartridge(not included).SpecificationSmall size with mount accessories for quick and easy installation,this mini emergency bike pump is really a handy tool during outdoor riding and Cycle. Features:Compatible with Presta and Schrader,no extra adapter needed. Rotate the button for quick pump. As big as a hand for one hand operation and space-saving storage. Come with mounting bracket to easy mount on your bike. Aluminum alloy construction for great corrosion resistance and durability. Threaded head designed for CO2 cartridge(not included). Specifications:Color: Black/Siver (optional) Material: Aluminum alloy Size: 12*2.5cm/4.7*0.9in Weight: 85.2g/3.0oz Package List:1* Bike Pump 1* Fastener Tape 1* Mounting Bracket 2* ScrewsPackage List1* Bike Pump 1* Fastener Tape 1* Mounting Bracket 2* Screws