bicycle control cables voltage rating:DC 24V / 36V power rating :150W-500W low-voltage protection:DC21v/31v Detailed Product Descriptionvoltage rating :DC 24V / 36V /48Vpower rating :150-500W Low-voltage protection :DC21V/31V/42V We are professional do e-bike kits business for many years for the customers all over the world, and have met so many troubles, with these troubles, we have much ...