This is GEP – LSX5, Leopard(GEP-LX) derivatives, ‘S’ mean is stretching. This is more suitable for competition. High-speed forward flight and rapid roll have more advantages. GEP-LSX respectively with three kinds of specifications.GEP-LSX4 wheelbase 205 mm, suitable for 4inch propeller. GEP-LSX5 wheelbase 230 mm, suitable for 5inch propeller, GEP-LSX6 wheelbase 265 mm for 6inch propeller.