BOOSTED BRAD DYNA QUICK DETACH MOUNTING PLATES. CNC LASER CUT 11GA. STEEL WITH TIG WELDED MOUNTING BUNGS. THESE FIT ALL YEAR MODELS DYNA'S, 05-DOWN AND 06-UP, INCLUDING MODELS WITH SADDLEBAGS SUCH AS FXDP. DESIGNED TO WORK  WITH OUR QUICK DETACH DYNA SIDE PLATES, DOCKING HARDWARE, AND SISSY BAR. FOR BIKES RUNNING T-SPORT STYLE OR CONVERTIBLE BAGS, BE SURE TO SELECT T-SPORT OPTION (t-sport and convertible bags require more clearance for removal and installation when running our quick detach sissy bar system. The sissy bar mounts for the t-sport option have taller rear standoffs for more clearance when removing tsport style bags. Aftermarket t-sport and convertible bags such as Leather Pro's and others, require this option also, but sometimes require spacing the bag docking hardware out 3/4" to 1" for some models. ON 06-UP DYNA'S, THIS SYSTEM WILL ONLY WORK WITH OUR SISSY BARS THAT MEASURE 7-3/4" WIDE OUTSIDE TO OUTSIDE. 05-DOWN USE SISSY BARS WITH 6-11/16' OUTSIDE TO OUTSIDE.  AVAILABLE IN RAW STEEL FINISH OR GLOSS BLACK POWDERCOATED. PROUDLY MADE IN THE U.S.A.!!! FREE SHIPPING INSIDE THE CONTINENTAL USA!