WTB was founded in Marin County, California in 1982, by Charlie Kelly and Tom Ritchey, both mountain bike pioneers. WTB quickly became the go-to brand for high-quality, durable mountain bike parts. Today, WTB is a leading manufacturer of mountain bike tires and tubes, as well as other cycling products. WTB's mission is to design, develop, and produce the best cycling products in the world. Their tires and tubes are engineered to provide optimal traction and comfort, while being tough enough to handle the rigors of off-road riding. WTB also offers a wide range of other cycling products, including saddles, wheels, and handlebars. Whether you're a seasoned mountain bike rider or just getting started, WTB has the products you need to make your ride more enjoyable. So check out their selection of tires and tubes, and see how they can help you take your riding to the next level.