Get your bike back on the road in no time with the Velo-Tool™ CO2 Refill Cartridge and Inflator Pump. This handy kit includes an inflator head, cylinder, 5 CO2 cartridges, and Velcrow mount bracket for easy storage. Compatible with both Presta and Schrader valve types, this compact and auto-inflate kit features 16g cartridges, making it the perfect choice for quick and convenient inner tube inflation during your next cycling adventure. With a sleek red and black design, this bike pump is a must-have for any cycling enthusiast.