Soft synthetic materials

This ball is value priced and ready to roll

This ball uses the Sinister weight block which has a higher RG to move the ball down the lane while storing energy

The Wrist Restrictor is an easy-to-use training aid that can be worn to restrict or enhance wrist rotation during the bowling release

Radical Closer Select Weight:13 lbs. Soft synthetic materialsThe Radical Closer upper mid performance bowling ball offers great continuation with plenty of hook and hitting power. This ball features a symmetric core with DynamiCore and is wrapped with a solid Ai 39 coverstock. Color: Burgundy Black All colors do vary somewhat from the picture shown Core: Symmetric (DynamiCore) Coverstock: Ai39 Solid Finish: 500, 3000 Siaair Micro Pad RG: 2. 540** Differential: 0. 050** ** RG and Diff are based off of 15 lb.