here is a tidbit for ya
supernova solid was poured by columbia superflex with paricles I beleive
the original G force was poured by columbia it was M80
Supernova XP poured by global, (the original testers were done by storm)
everything after the xp was/is done by Global, most are a superflex variation of some sort (similar to all the prior Big B stuff being a pk18 variation)
www.bowlingballexchange.comChris Trigg
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