Disc Brake Rotor Converter

New Design!
Now Includes Direct Mounting Holes for Both Standard 6 Bolt Rotors and Choppers U.S. Design Rotors!

Choppers U.S. Billet Aluminum Spin On Disc Brake Rotor Mount for Converting Flip Flop Hubs to Freewheel/Disc Combo; Also Used for Extra Wide Sturmey Archer 3 Speed Hubs; CNC machined out of 6061 Billet Aluminum; Due to Oversize Center Hole Threads You Will Need to Consider Your Rotor Options - Choppers U.S. Star and Iron Cross Rotors are Designed to Bolt Directly to This Converter, But If You Wish to Use a Standard Disc Rotor You Will Need to Do Some Basic Machining to it (i.e. Opening Up the Center Hole) Before Bolting it on. Center Hole is 1-3/8" x 24 TPI.