1998-2004 Honda 599 Billet Preload Fork Cap Adjusters Brand New Honda CNC Billet Preload Adjusters / Maximum Preload Adjustment finishes at 21mm past stock Fine tune the front suspension of your motorcycle no matter the race track or back road Made from 100% 6061 T-6 Aluminum and finished with Anodize Coating Improves handling dramatically and allows for quick adjustments /Easy installation - no fork removal and fork oil draining involved Initial Preload Adjustment begins at 7.5mm past stock / Comes with (2) Preload Adjusters (reuses the stock O-ring)