ECHO F1 BODY SHELLThe Echo F1 is a 1 10 scale Formula 1 RC body shell, designed from the ground up using advanced CAD technology and produced in high quality 0. 7 mm Lexan. This combination ensures the perfect balance of lightness, strength, and durability, meeting the demands of the most competitive RC racers. Every line of the Echo F1 was created with a purpose: Sharp and precise steering response for confident corner entry. Exceptional smoothness and balance through