The Product Pro 1 x Inner Tube 4.00-6 (400x6) Straight Valve for 14" Tyre is a perfect addition to your bike maintenance kit. It's made for the latest 14" tyres, ensuring a secure and comfortable fit. The valve is high-quality and robust, with a durable design and a straight shape, making it easy to fit and remove. The 4.00-6 size fits tyres measuring 400mm wide by 6mm depth, so you can always find the right fit for your bike. This inner tube is also compatible with standard valve stems, making it a versatile choice for different tyre models. With its high-quality construction and ease of use, the Product Pro Inner Tube is perfect for those who value durability, comfort, and ease of maintenance.