This Impac 26″ Slim Inner Tube fits tire widths from 32 to 47 mm and diameters of 559 to 597 mm, delivering a precise fit for a variety of 26-inch tires. Equipped with a durable 40 mm Schrader valve, it ensures reliable inflation and easy compatibility with standard pumps. Its slim design reduces weight and enhances performance, making it a practical choice for everyday riders and enthusiasts seeking dependable inner tube quality.