Speedbar kit (SBK) This kit makes it possible to install any kind of speedbar onto the Eclipse harness (HAR5). It containd pullies to be installed directly onto the harness and two pullies with strings to install it onto the pivot arms. a velcro patch to store the speedbar when not in use and two string-stoppers and ofcourse the carbon fiber speedbar to keep weight down and you up! Youtube link to an installation guide: https://www.youtube.com/watch?v=OcNwkOzhjSE&t=95s