The Butterfly 7 ¾ inches in diameter combines precision engraving with a premium finish for riders who want their motorcycle to reflect their style

Please check your existing derby cover to confirm that it is 7 ¼ inches also

Check the existing cover before ordering

Designed as a decorative replacement for compatible factory-style timer covers

The Air Assault- TC Derby Cover

Navy Seals Trident TC Derby Cover, 7 ¼ inches in diameter Misc. Designs The Butterfly 7 ¾ inchesThe Navy Seals Trident TC Derby Cover, 7 inches in diameter combines precision engraving with a premium finish for riders who want their motorcycle to reflect their style, service, or personal story. Product Details Billet 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