a followup on this . sjs cycles see link below are being really helpful and looking at express shipment . meanwhile , i found one of the old screws at a local shop with a contribution to the mechanic . and while it doesn ' t fit flush , it appears to seal the hole . i won ' t trust it for riding anything serious , but it ' s enough to let me continue fixing up the bike while i wait for the correct part to arrive . i ' ve also stripped down where i was working and am going to vacuum and then go through the debris . so f ' ing frustrating , when i ' ve been building a bike for months and finally had all the components . <| sep |> It really started working the backflip action toward the end . <| sep |> Driving 80 in a 100 zone ! !!