Specific Fitment: Designed to be a perfect fit over any 1-3/4" outside diameter exhaust pipes for a simple installation

Chrome plated 12 point screws and locknuts fit 1973-Up Big Twins and XL with chain drive spoke rear wheel

1/4 inch NPT petcock bung allows you to use all the fuel in your tank

D-shaped body

Fly By Wire Throttle Tube - 1 inch - Black Makes_BSA Specific Fitment: Designed to beThese inexpensive plastic throttle tubes are for use with motorcycles featuring Fly By Wire (a. k. a. Throttle By Wire or TBW) throttle control, such as all 2008 to present Harley Davidson Touring, selected Softail CVO models, and all 2016 to present Softail. Simply replace your stock one piece grip and throttle tube with this and you can install any aftermarket grips you would like.