Guys, I'm not with my bike at the moment and can't recall from when I stripped my 21 SP down a few months ago. Can anyone ID this transmission, by virtue of the primary shaft end? 21 SE/SP or 21 R. Many thanks.



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Rich
MC21 Track Bike / RS250 NF5 'Spencer', NX5 'Cadalora' & NXA 'Aoyama' / RS500 / Two Brothers Racing RC30