Öhlins NIX 30 Street Cartridge Kit FKS 519hlins NIX 30 Street Cartridge Kit FKS 519 The hlins NIX 30 Street cartridge kit features new designed black top caps to give the bike a more subtle look. The NIX technology is developed from high level racing such as WSBK to deliver the utmost performance on road as well as on track. It fits bolt on in the standard fork legs and gives you adjustable compression and rebound damping separated in each leg, as well as preload adjustment, all accessible