Nuts

Most ebike hub motors use either M12 x 1.25mm or M14 x 1.5mm axle threads. although we have seen M12 x 1.5mm (some 9C), 1/2" x 20 TPI (Crysatlyte 'H'). The Bafang G01 motors use an M10 axle with no flats and have special anti-rotation washers to prevent spinout.