As far as i can tell there is a 410 (original), 410 2010 spec (25mm battery tray, 2mm shafts), then the 410R and (another) 410 which seem to effectively be V2 cars. And now the V3 versions of the 410 and 410R. I may be wrong.
The big visual clue is that the V3 cars have big bore shocks.
I'm sure someone with a better handle on it will probably be able to correct me tho!
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