This clamp has a 19/64" (

Recommended reading: Harley-Davidson: The AMF Years

The correct width to fit all 2004 thru 2006 Harley-Davidson Sportster models

This includes Knuckleheads

Classic 5 Spoke One-Piece Brake Rotor - 11.5 inch - Front Brand_Haifley Seats This clamp has a 19/64"Performance Machine Classic 1 Piece Stainless Steel Brake Rotors are CNC precision machined to ensure a flat and parallel surface. The 420 stainless steel disc is hardened to meet RC36 specifications yielding a rotor with a higher resistance to deformation. Increasing the hardness and strength of the material allows for the machining of a lightweight, 5 spoke design for improved braking performance. The braking surface features a drilled sweep pattern