The Panaracer R-Air Lightweight Performance Inner Tube is designed for cyclists seeking a lighter, more elastic option. Weighing only 65g, it rivals latex tubes in weight while maintaining superior puncture resistance and air retention thanks to its special Butyl compound. This tube offers 47% more elasticity than standard butyl tubes. It is suitable for road bikes and comes in a size of 700x23-28c with a 48mm valve. The color is black.