Biela 28×14/12 4-Blade Carbon Fiber Scale Corsair Propeller for UMS 5/180/210cc 7/260cc

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. Technical data: Type: 4 blade semiscale Diameter: 28" Pitch: 14/12" Weight (abt.): 538g Hub bore diameter: 10 mm Max. RPM: 8.000 Application: gas and electro engine