The Spartan Blue Line TC Derby Cover

The Buffalo - TC Derby Cover

The Viking Skull Derby Cover

The Gold Bear TC Derby Cover

except Sport Glide

Air Force Chief 7 ¾ inches in diameter Harley-Davidson-Wide-Glide-2017 The Spartan Blue Line TCBillet Aluminum, Chrome Plated Derby Cover This derby cover is 7 inches in diameter. Please check your existing derby cover to confirm that it is 7 inches also. This part is also made with a diameter of 7 inches. Our process is to engrave the design onto a raw aluminum part. The engraved part is then sent to an HD qualified Chrome Plater. After the part has been chrome plated, it is painted using PPG automotive grade enamel. The part is then baked