[Get Back Riding Quickly]: Changing a flat tyre out on the road can be a pain in the neck but it's likely something that every will have to do at some stage. CO2 inflator is much smaller and lighter than a hand pump, easily fitting into a saddle bag or pocket. The cartridges are full of compressed air and can inflate a flat tyre in a matter of seconds with little effort. [Compact, Portable & ]: Fits conveniently in a saddle bag, pocket or backpack. The cartridges are full of compressed air and can inflate flat tire in a matter of seconds with little effort. But please note that you'll more than likely find that your tire will be flat within 24 hours because CO2 will leak out of your tire faster than air. So don't forget to pump it up before your next ride. [Compatible for all Threaded CO2 Cartridges]: Inflator designed for any size of 'threaded' CO2 cartridges (12g, 16g, 20g & 25g). Insulate sleeve (for 16g cartridges only) included. Note: Once the CO2 is released, the and inflator will get extremely cold, so it pays to use the insulate sleeve to protect your hands. No CO2 cartridges included. [Fits Both Presta & Schrader Valves]: CO2 Inflator fit for Presta & Schrader valve no valve switching needed. The CNC machined aluminum control knob allows you to perfectly control the amount of 're releasing into the bike tires. For cyclists looking to carry a compact inflator , the CO2 inflator is a . [Best Gift]: The CO2 bike pump is a for cyclists, bicycle enthusiasts, and adventure riders. Present this cycling accessory to your loved , friends, family members, neighbors, relatives, and colleagues on Christmas Day, New Year's Eve, Thanksgiving Day, and during all other special occasions. Our CO2 inflator keeps you well-covered during your mountain bike, mini bike, road bike, or race bike rides. Name: Item Name: CO2 Bike Pump Suitable Valve: Schrader / Presta Note: not including cylinder color:Silver Material:Aluminum alloy Package Contents: 1 x CO2 Inflator 1 x protective case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.