Urethane

Storm Mix Bowling Ball - Red/White/Navy Color: Red/White/Navy Coverstock: U1S Pearl Urethane Weight Block: Traditional 3 Piece Core Factory Finish: 3500 Grit Polished Flare Potential: Low Radius of Gyration (RG):2.69 Differential (Diff):0...

Storm Mix Bowling Ball - Lime/Royal/Custard Color: Lime/Royal/Custard Coverstock: U1S Pearl Urethane Weight Block: Traditional 3 Piece Core Factory Finish: 3500 Grit Polished Flare Potential: Low Radius of Gyration (RG):2.69 Differential...

Hammer Black Pearl Urethane Bowling Ball Color: Black Pearl Coverstock: Urethane Pearl 78D Weight Block: LED Factory Finish: 500 Siaair Micro Pad Flare Potential: Low Radius of Gyration (RG): 16lbs - 2.61; 15lbs - 2.65; 14lbs - 2...

Storm IQ Tour 78/U Bowling Ball Color: Crimson Coverstock: Controll 78 Solid Urethane Weight Block: C3 Centripetal Control Core Factory Finish: 500-grit Abralon Flare Potential: Medium Radius of Gyration (RG): 16lbs - 2.49;...

Storm Mix Bowling Ball Black/Purple/Pink Color: Black/Purple/Pink Coverstock: U1S Pearl Urethane Weight Block: Traditional 3 Piece Core Factory Finish: 3500 Grit Polished Flare Potential: Low Radius of Gyration (RG):2.69 Differential...

Roto Grip Retro RG Spare Bowling Ball Color: Charcoal Coverstock: High-Impact Pearl Urethane Weight Block: 3-Piece Core Factory Finish: 3500 Grit Polished Flare Potential: Low Radius of Gyration (RG): 2.69 Differential (Diff): 0...

Storm Mix Bowling Ball Purple/Jade/Steel Color: Purple/Jade/Steel Coverstock: U1S Pearl Urethane Weight Block: Traditional 3 Piece Core Factory Finish: 3500 Grit Polished Flare Potential: Low Radius of Gyration (RG):2.69 Differential...

Storm Mix Bowling Ball Purple/Blue/White Color: Purple/Blue/White Coverstock: U1S Pearl Urethane Weight Block: Traditional 3 Piece Core Factory Finish: 3500 Grit Polished Flare Potential: Low Radius of Gyration (RG):2.69 Differential...

Hammer Purple Pearl Urethane Bowling Ball - Purple Pin Color: Purple Pearl Coverstock: Urethane Pearl Weight Block: Symmetrical Factory Finish: 500/1000/2000 Siaair Micro Pad Flare Potential: Low Radius of Gyration (RG): 16lbs - 2...

Storm Mix Bowling Ball Black/White Color: Black/White Coverstock: U1S Pearl Urethane Weight Block: Traditional 3 Piece Core Factory Finish: 3500 Grit Polished Flare Potential: Low Radius of Gyration (RG):2.69 Differential (Diff):0...

Storm Pitch Black Bowling Ball Color: Black Coverstock: Controll Solid Urethane Weight Block: Capacitor Factory Finish: 1000 Grit Flare Potential: Low Radius of Gyration (RG): 16lbs - 2.56; 15lbs - 2.57; 14lbs - 2.57 Differential...