Chrome Billet Fork Cups for Harley-Davidson Frame Necks 1" Stems 2 BILLET CHROME FRAME FORK CUPS These 2 billet chrome frame fork cups will fit most Big Twins and Custom frames from 1960 to Present. for 1" stem These nice tripple plated fork cups retail for $58.99 US and we sell for a fraction of the cost. A "must have" for any Custom Bike builder. *Product ID = 599