Storm Concept Bowling Ball Brand_Roto Grip Top shoe compartment holds up

Top shoe compartment holds up to size 15 shoes

while the lightweight TPU outsole ensures flexibility and minimal break-in time

Ball Featuring: Skull Iron

and molded wheels that can stand up to the pressure

Storm Concept Bowling Ball Brand_Roto Grip Top shoe compartment holds upStorm 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,