Track Strata Solid Bowling Ball KR Strikeforce The Columbia 300 Boss double

The Columbia 300 Boss double roller has the space for all your bowling balls

The Infamous core uses a large extra-dense flip block on the top of the main body of the core and it has a radial disc on the bottom for added backend motion

Newly-Engineered formula to clean today's urethane bowling balls

The background on this ball is checkered

but with a stronger breakpoint

Track Strata Solid Bowling Ball KR Strikeforce The Columbia 300 Boss doubleTrack Strata Solid The Track Strata Solid Reactive, high performance bowling ball introduces a new core with the strongest Track coverstock to date. The Strata core wrapped with the QR 11 Solid coverstock generates the perfect combination of a strong mid lane reaction along with a continuous backend on heavy oil conditions. Color: Sky Grey Black All colors do vary somewhat from the picture shown Coverstock: QR 11 Solid Core: Strata Finish: 500, 1000