Ducati 998 996 916 748 Holder modification Monoposto fairing Biposto frame TH1-HSThe new large adapter set is required for converting a monoposto one man rear to a biposto two man steel rear frame. This complete adapter set brings the highest possible stability to the structure. It also serves as an important holder for the rear light. The high quality aluminum sleeves in combination with the stainless steel adapter plate bring the necessary torsional rigidity to the structure. The first picture only shows the installation