The 2009 Birel Racing Kart line-up is ready for viewing at www.GoBirel.com. The 2009 models incorporate several features, including an interchangeable 25mm spindle design and FREE Hi-Tech aluminum adjustable heel-stop. Also for 2009, a new chassis model was introduced, the RY30-s1, featuring all 30mm tubing and a design that provides great balance and speed in several junior and senior categories.