Ducabike DBK RF1401 Fork Preload Adjuster 14 MM.626800917 Short Description Product Description BILLET ALLUMINIUM, COLORED ANODIZATION These stylish fork adjusters are very cleanly milled from Ergal. With the V2A attachment screw at the side the adjuster can be mounted directly to the hexagon bolt at the top of the fork. This way pretensioning the spring for the current road conditions is a matter of only a few seconds. Essential for race tracks and also a useful gimmick for riding on normal roads.