AVON Inner Tube - Standard 18-inch TR-4 with Center Metal Valve | Part 712221

The AVON Inner Tube model 712221 is an essential component for cyclists seeking reliable performance on both modern and vintage bikes. Designed to fit standard 18-inch rims with a TR-4 valve, this inner tube is perfect for those using conventional spoked rims on contemporary bikes or riding with traditional rims on classic machinery. Crafted from high-quality butyl and natural rubbers, it ensures durability, flexibility, and a tight seal to keep your ride smooth and secure.

Whether you're upgrading your bike's inner tubes or restoring a vintage bicycle, the AVON 712221 offers the perfect balance of strength and ease of installation. Its robust construction provides excellent puncture resistance and longevity, enabling you to enjoy your ride without constant worries about flats. The center-mounted metal valve ensures a secure and reliable inflation process, making maintenance straightforward and hassle-free.

Designed with precision and attention to detail, this inner tube adheres to the highest quality standards, offering consistent performance in various riding conditions. Its lightweight design minimizes added weight to your wheelset, enhancing overall riding efficiency. Ideal for both casual riders and cycling enthusiasts, the AVON Inner Tube 712221 is a dependable choice for your bike's inner tube needs.