Taking the effort out of inflating your tyres, Birzman's E-Grip CO2 Set is a handy canister for getting you back up to pressure with minimal effort. Giving precise and controlled bursts of CO2 to get your tyres to their optimum level with just a push of the head, this inflator comes with a 16g cartridge and silicone grip to make the job as simple and comfortable as possible. Made of CNC machined aluminium for long-lasting and regular use, the E-Grip CO2 Set will work with Presta and Schrader valves for an efficient and effort-saving experience. Specification Material: 300D Polyester (water repellent) with reflective straps. Size: 16 x 8 x 8cm. Capacity: 0.5L.