I HAVE A 2010 NEEDING FENDER REPLACEMENT. I CURRENTLY HAVE CLAM SHELL STYLE FENDERS. I HAVE FOUND THE 2010 USED BOTH FLATTOP AND CLAM SHELL. I AM UNABLE TO FIND REPRODUCTION CLAM SHELL FOR 2010 ONLY FLATTOP. FOR ECONOMIC REASONS (LIKE 1/2 PRICE) CAN I USE REPRODUCTION CLAM SHELL FOR A 2020 FOR MY APPICATION?