Cyclewear Tienda De CiclismoControl Blast Cartridge 3 Pack 16G ThreadedGiant Control Blast Co2 10 X 16G Refill Pack Gets You Back On The Road Fast. 10 Refill Co2 Cartridges For Giant Control Blast & Control Blast 1 Co2 Inflators.Includes 10 X 16G Cartridges- Compatible With Control Blast Inflator Head- Space Saving