The Muc-Off MTB Co2 Tyre Inflator Kit is designed to help riders quickly inflate their tyres and get back to riding in no time. This kit contains 2 x 25g Cartridges which are designed for inflating bigger volume Mountain Bike Tyres. The kit also includes the Dual head nozzle which is compatible with both Presta and Schrader valves and a neoprene sleeve to help avoid freeze burn from the cartridge upon use.