Available at BowlersDeals.comStorm is known for producing the best high performance balls on the market. When the Virtual Gravity was released in 2008, it not only turned heads but gave bowlers of all skill levels an unprecedented amount of hook on even the oiliest lanes imaginable.The new Virtual Gravity Nano is intended to create a similar yet stronger ball motion built specifically for heavy oil. This can be accomplished with either a stronger coverstock (texture) or more aggressive weight block (lower radius of gyration or increased differential).Looking at the original Virtual Gravity, the Shape-Lock HD™ weight block/core system produced a fast-revving action that especially helped bowlers looking for a stronger change of direction usually privy to only those with big rev rates! The Shape-Lock HD motor will continue to power the Nano as well.With Nanotechnology, NRG will give bowlers increased oil traction due to the micro-dynamic enhancements of the surface. Just looking at the surface of the new NRG material shows you the increased surface texture between the peaks and valleys, as well as the more aggressive edges on the top of the peaks! We're continuing to push the envelope; we just hope you are ready for it.