Take your bike maintenance to the next level with these high-quality CO2 Refill Cartridges from Liss. Each canister contains 16g of gas and is designed to fit both Presta and Schrader valve types. The pack comes with 20 cartridges, making it a great value for any cycling enthusiast. These silver canisters are perfect for quick and easy inflation of your bike tyres, making it a breeze to get back on the road. Whether you're a professional cyclist or just enjoy the occasional ride, these Refill Cartridges are a must-have for your bike maintenance toolkit. Order now and experience the convenience of CO2 inflation!