The Impac tube is designed for 27.5, 28, and 29-inch bicycles and is compatible with ETRTO sizes such as 40-584, 37-622, 40-622, 47-622, 32-630, 40-635, and 60-635, ensuring a precise fit for various tire widths. It features a French valve, also known as a Presta valve, with a length of 40 mm for reliable inflation and a tight seal. Made from durable black rubber, this tube weighs 208 grams, contributing to minimal weight while still offering resistance to punctures and wear. The unisex design makes it suitable for all riders and supports consistent performance in various riding conditions. This tube is an essential component for maintaining tire pressure and ride quality, providing reliable air tightness and easy installation. Ideal for racing, mountain, or hybrid bikes, it offers a straightforward replacement or spare part to enhance bicycle reliability without complexity.