The Columbia 300 Pure Madness uses the same asymmetrical Craze core as the original Madness, but this new version features a sanded version of the HK22-based ERT Solid coverstock. It comes out of the box at a 500/2000 SiaAir finish, which helps it create very early traction and plenty of overall hook. While the Pure […] Columbia 300 Pure Madness appeared first in Bowling This Month.
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