Optimized for competitive use, these ultralight butyl tubes are designed for performance and efficiency. These high-quality butyl tubes ensure a lightweight design without compromising durability, making them perfect for avid cyclists looking to enhance their riding experience. With valve lengths available in both 48mm and 80mm, they cater to a variety of wheel setups, while the removable valve core offers easy maintenance and inflation. Experience the performance benefits of using Michelin's ultralight tubes, engineered for speed and agility on the road. Whether you're racing or enjoying a leisurely ride, these tubes provide the reliability and efficiency you need to conquer any distance. Upgrade your cycling gear and enjoy a smoother, faster ride with these exceptional butyl tubes.