Check the listing for details. Quad Lock & Rokform Stem Mount Adaptor for Ducati Panigale. Condition: New. Listed at 25.00 USD. Hello, This product is a plastic insert which slides into the steer tube of a Ducati Panigale and enables the use of a Quad Lock or Rokform Stem Mount. Stem mounts do not work without this adaptor! This adaptor works with all Ducati Panigale 899, 959, 1199, 1299, V2 & V4 (including S/R/SP models). Made from high-temperature plastic in the USA will not melt or deform in hot climates. This kit comes with an installation tool and a piece of string to make installation a breeze! If you order multiple, only one install kit will be included (unless you specifically request more). For Installation instructions, watch the YouTube video here: https://youtu.be/NaMhrAQcf9g *Note: This product is 3D printed and will have surface imperfections, but this product is completely hidden once installed and will not be seen!