Finally, a complete solution for all of your flat tire needs. Comes with everything you’ll need to repair & inflate multiple flat bicycle tires. After patching your damaged tube, inflation is a breeze. Twist-to-inflate technology makes this easy to use. Fully controllable, just thread a cartridge onto the CO2 bicycle tire inflator, tighten until the cartridge is pierced, press the nozzle onto the valve, then twist the cartridge to release the gas into the tire. Takes only seconds to fill your tire and be back on the road.