Product Description End Cap – 47mm Base Our end cap – 47mm base is designed for use with our RC-P49 D fender to provide a stylish, clean finish. This cap is available in either stainless steel or glass-reinforced plastic. To inhibit electrolytic corrosion between dissimilar metals when using the stainless steel end cap, we recommend the use of Duralac anti-corrosive jointing compound. If this isn’t the product you are looking for, take a look at the rest of our range of fender accessories.