The CST 28 x 1.75–2.00 D-V inner tube is designed for 28-inch bicycle tires with widths between 1.75 and 2.00 inches. It features a 40 mm Dunlop (D-V) valve, commonly used on city, trekking and commuter bikes.
The tube corresponds to ETRTO size 47-622 and is supplied without retail packaging. Its durable rubber compound ensures reliable air retention, making it suitable for everyday cycling on pavements, commuting routes and light touring.