The SHAD Top Master fitting allows mounting a top case onto the motorcycle. It is a fitting specifically designed por each motorcycle model, taking into account its features. The result is a high-quality product, comfortable, safe, and easy to assemble and disassemble.To mount the top case onto the bike it is necessary to add to this top fitting, the plate included in the SHAD cases (except for TERRA).Compatible with medium (D1B40PA) and big (D1B591PA) mounting plates, valid for top cases TERRA/SH59X/SH58X/SH50/SH48/SH47/SH46/SH45/SH44/SH40/SH39. To use with SH37/SH34/SH33/SH29/SH26 is necessary to use medium mounting plate.ATTENTION: top fitting not compatible with aluminium mounting plate.