Assault Series Derby Cover w/ Window

The Trask Assault Series Derby Cover – a unique and stylish addition for your Harley-Davidson big-twin model. Give your bike a unique look that will set you apart from the rest with this distinctive derby cover.

Designed to fit most 1998 and newer big-twin models, the Trask Assault Derby Cover is designed for those who want to show off their go-fast internals. The unique LEXAN window design provides a clear view of your clutch system, while maintaining a leak-free seal. 

Pair this derby cover with other Assault Series parts, such as our Air Cleaners or Cam Covers, to complete the look!

Upgrade your Harley-Davidson big-twin with the Trask Assault Series Derby Cover and show everyone your bike means business!

Note: Be sure to check the bolt spacing on your primary cover before purchasing.