The Plafit Excel Pro Racing chassis is the 'spec' chassis for International Plafit Racing Series including the infamous DPM and also the Panam Plafit Championship in North America. It also some action in the Ferrari F430 class at the 2008 Worlds although in the hands of the pros it has been eclipsed by the Plafit 1700KSLP. Amateurs may still find the Excel Pro a top pick for competition given its ease of setup and tuning. Very durable! Kit comes unassembled and includes everything shown in both photos opposite including axles, axle spacers, 44T spur gear and body mounting foam rubber. Winner of the 2001, 2003, 2004 IMCA World Championships. A high performance chassis that is easy to adjust, extremely durable and adjusts to fit a very wide range of cars and body styles. Raced by amateurs at the club level and top pros in the International Plafit Racing Series. The Plafit Excel Pro Racing chassis is best suited to foam tire setups but also performs with PU tire applications. A great chassis if you are coming in to model car racing from other forms of slot racing. Bearing Openings: 6mm OD