Harley-Davidson OE Tyre The K591 is the approved Harley-Davisdon sport tyre. Dunlop’s K591 features a directional tread patterm and improved tread compunds to deliver wet and dry grip cornering performance. Features: Originally designed for racing but now incorporating refinements to meet the demands of sport and sport touring riders, the K591 is approved by Harley-Davidson for its sport models and carries a V speed rating. The K591 delivers optimum grip in wet or dry weather for confident cornering.
