Storm Concept Bowling Ball Select Weight:16 lbs. The solid coverstock reads the

The solid coverstock reads the lane before the Pearl version

requiring minimal break-in

This performance core is wrapped in Roto Grip's Tour-ethane Pearl Reactive coverstock which was formulated to offer max performance as well as control when facing high friction patterns and surfaces

- Color: Blue / White / Cobalt

Featuring: Blue Monster

Storm Concept Bowling Ball Select Weight:16 lbs. The solid coverstock reads theStorm Concept Bowling Ball The SPI LAB Series introduces the Concept, our next innovative release that reverses the narrative on how core cover combinations are developed for challenging patterns. The ARC Cover has the highest coefficient of friction (COF) values and is right at the USBC limit on oil absorption time. With the Concept, the coverstock acts as both the engine and the tires, while the Radius Weight Block behaves as the traction control,