1987-1993 Kawasaki Ninja Ex500 Preload Fork Adjuster Kawasaki Ninja 250R CNC Billet Preload Adjusters / Easy installation and can be done under ten minutes - no fork oil draining at all Made from 100% 6061 T-6 Aluminum and finished with Anodize Coating Improves handling dramatically and allows for quick adjustments Only works with aftermarket clip-ons: start with 5mm preload and up to 20mm preload Comes with (2) Preload Adjusters (1) Installation Manual (reuses the stock O-ring)