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Possibly might be trading my Derbi for a YSR50 to do mini racing with but while buying some minor parts for the Derbi I've come across 17inch wheels (has 16s) and some others odd ends. This brings up the possibility of making the Derbi able to run decent tires and therefore at loudon. Any inputs on which way to go? Yes i know how terribly slow it will be but this thing is unbelievably fun in 6th gear at 65-70mph at 10k rpms lol, id only be doing track days with it, possibly USCRA some day if i get licensed