Patriot Suspension - 41mm Genesis Series Fork Spring KitPatriot Suspension 41mm Harley Genesis Series Fork Spring Kit. Made in USA. The innovative Genisis Series dual spring set up contains a specially designed Multirate outer spring and a one of a kind Genisis inner spring that are assembled together to make the Genisis Series. The Genisis Series works great whether you ride alone or with a passenger, by putting the Genisis spring inside the outer fork spring it allows the springs to work together instead