The Genuine Innovations Tri-Road Tire Repair & Inflation Kit offers everything a conventional saddle bag offers in a more compact format. This mini saddle bag kit includes everything you need to repair and inflate multiple flat tires. After repairing the damaged chamber, inflation is easy thanks to the "twist-to-inflate" technology, which makes it easy to use. Fully controllable: Simply screw the cartridge onto the bike tire CO2 inflator, squeeze it until it is punctured, press the nozzle on the valve, and rotate the cartridge to release the gas into the tire. Fill the tire in seconds and you're ready to get back on the road. This kit includes: the Microflate Nano inflator; two 16-gram threaded CO2 cartridges; a small patch kit; and two detachable ones. All of this is presented in a small sturdy polyester saddle bag, with reflective rubber piping, mesh pockets on the flap and side for storage, and a light holder. The Velcro strap attaches to any bicycle seatpost. Cartridge Compatibility: 12, 16, 20 and 25 gram threaded CO2 cartridges, and Big Air. Size: 15 x 7.6 x 7.6 cm. Valve Interface: Installs on Presta or Schrader valves.