Frame tubes were changed slightly iirc with the new frame with no hoop so if you don't have a rear hoop my guess would be that you've the newer ST type frame so that should be the same as the later ie bikes and S4/S4R etc even the ST range. A lot of suppliers you can pick individually what diameter plugs you need.
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Roast Beef Monster!
Termignoni and Bucci - Italian for pipe and slippers!
S4 Fogarty, S4R 07T, 748, Series 1 Mirage
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