Can-Am continues to refine and update their innovative 3 wheel Spyder roadster. Can Am has created 2 different series of Spyder Roadster. There is the RS series which is geared more towards sport riding, and there is also now an RT series which is geared more towards touring. When comparing the two series, the RS sport is around 200 lbs lighter than the RT touring models. The RS weighs in at 799 lbs and the RT at 929 lbs.