Reynolds
Reynolds is a British manufacturing firm and the world's oldest cycling tube maker. The firm offers chrome-plated steel tubing for bicycle frames. It's about getting out of your routine and experiencing the world around you. Its tubes are used in over 90% of all racing bicycles and are especially popular in custom frame building because of their vast choice of diameters, wall thicknesses, and forms. Its numbers are commonly employed in designing large flow equipment such as pipes, jets, and airfoils.