nut M12x1.25 - variator, rotor

M12x1.25mm nut for rotor and pulley on the crankshaft. Suitable for all special cranks with M12 thread for Piaggio and Minarelli engines. E.g.: Stage6 R/T, Polini Evolution, Malossi MHR Team Of course it also fits on original cranks with M12x1.25mm threads.