The Virus boasts inner shell technology that lowers the radius of gyration. The result is more revs off your hand on various lane conditions. The ball's MicaTak coverstock gets an additional boost from a Supernova casing that grips the lane.

Line Virus
Color Purple
Coverstock Reactive
Core 2-piece
RG 2.5
Differential 0.044
Intermediate Diff n/a
Factory finish Polished
Weights 14 thru 16lbs
Cleared USBC Yes