EX-Racing is a series of Biela Propellers with very high efficiency. Optimized blade profile and low profile thickness allowed to significantly reduce induced aerodynamic resistance. A special design (specially developed Holm), the stiffness and the following hold the directional stability.
Carbon fiber propellers from “Biela” with a great quality to price ratio. They come factory-balanced and certified to not exceed 8000 rpm. Those propellers are lightweight and very stiff with low level of noise. Center (mounting) part is reinforced with wooden block. Front surface is painted white with red blade tips. Extra colour painting is possible with additional costs. Back surface is always painted black.