The Bike It Aluminium 90 Degree 11.3mm Metal Tyre Valve in Black is a durable and high-quality valve stem and cap designed for bicycles. With a 90° features, this valve is easy to use and provides a secure connection for inflation. Made from metal, this one-piece valve from the Bike It brand is a reliable choice for motorcyclists looking for a long-lasting and efficient solution for their bike's tyres.