The Twist Custom Top is a great addition to your slingshot. Featuring a 1.25″ tubing with an outside diameter of 1.66″ and an inside diameter of 1.38″. Have the ability to shade yourself from the sun as well as add our custom Twist Racks. This custom Twist Top is the base for your Twist Rack needs and is perfect for putting your surfboards, kayaks, wakeboards or your bikes up top. This is the ultimate solution for your lifestyle needs. Our frames provide a sturdy platform for transporting your extreme sports equipment, like Surf Boards, Wake Boards, Kayaks and Mountain Bikes. Enjoy the full experience of your slingshot without the worry of harsh elements. Made from 6063 Aluminum in our state of the art CNC 2 axis bending machine and TIG welded proudly by hand in the USA.