Klock Werks Slicer Tire Hugger Front Fender 16/18 for Harley Davidson FLST Steel fenders are thick enough to add rigidity to the front end by acting like a fork brace, but can still be cut or shaped enough for an even more Kustom appearance All fenders come predrilled and are stamped, not spun, to ensure a consistent finish while minimizing body work E-coated to prevent rust and corrosion 16., 17, 18 and 19in. fenders measure 6.25in. outside width and will accommodate up to a 130 series tire 21in. styles measure 5.875in. outside width and will fit the current 120/70-21 series tires on 3.5in. wide rims