The medium RG and low differential found on this ball allow it to store enough energy for the backend and keep its reaction consistent and predictable roll after roll

Men's Size 15

Trim to fit

Brunswick Embroidered logos

Black with Hammer design

Radical The Spy Bowling Ball Weight:15 lbs. The medium RG and lowRadical The Spy Bowling Ball Release Date: 6 17 21 Radical has done something radical by taking the high performance, asymmetric Incognito core and wrapping it with a textured plastic polyester coverstock. They call it The Spy because it is sneaky good! This ball will provide the length of a polyester ball with a kick down lane from the core. Color: Red BlackAll colors do vary somewhat from the picture shown Coverstock: Textured Polyester Core: