Biela 20×10 2-Blade Carbon Fiber Propeller, SILVER with Yellow Tips

Manual Video Spare Parts 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 black with yellow tips. Back surface is always painted black. Technical data: Type: 2 blade Diameter: 20" Pitch: 10" Weight (abt.): 139 g Hub bore diameter:8 mm Max. RPM: 8.000 Application: gas and electro engine