- Size Compatibility : Designed for 20" x 2.5/3.0" tire tubes (ETRTO: 64/76-406) with a 32mm regular valve, ensuring a perfect fit for your bike. - Quality Material : Manufactured from durable butyl rubber, this bike tube provides excellent sealing performance, ozone resistance, and aging resistance. It is designed to absorb shocks effectively, enhancing your riding comfort. - Easy Installation : Quick and straightforward installation process. Follow the inflation guide when inflating from a complete flat to save time and make the replacement hassle-free. - Installation Tip : Always add a little air before fully installing the inner tube to maintain its shape and prevent twisting or bunching, which can lead to pinch flats. Ensure an even bead between the tire and rim on both sides for optimal performance. - Enhanced Comfort and Safety : The butyl rubber material dramatically improves shock absorption on uneven surfaces, providing a smoother and safer riding experience. - Versatile Applications : Ideal for urban commuting, recreational biking, or tackling rough terrain, this tube enhances your bike’s reliability, whether you’re navigating city streets or exploring off-road paths. Choose this reliable bike tube to ensure you enjoy every ride with comfort, safety, and minimal maintenance.