Strider Sports International, Inc. designs efficient, no-pedal balance bikes that encourage toddlers to ride, learn, and explore the world on two wheels. Founded in Rapid City, South Dakota, USA in January 2007, Strider Sports is a company full of passionate riders of dirt, mountain, street, and road bikes. The goal of Strider Sports is to simplify a bike to its essence, so that proper size, weight and ease-of-use combine to eliminate any fear of riding; instilling confidence in young new riders. Strong custom Strider™ rim. Durable no-flat tire. Tread pattern and bearings matches the ST-4, and will fit on ANY ST-Model. Sold Individually.