Brunswick U-Motion Bowling Ball Twist Red Purple Bowling Ball Revives natural tack to the

Revives natural tack to the ball surface for ultimate lane gripping power

Wrist support for bowler's looking for added strength at the moment of release

Studded Heel Mount

patented metal support of all Robby's Originals

Provides proper wrist support

Brunswick U-Motion Bowling Ball Twist Red Purple Bowling Ball Revives natural tack to theThe Brunswick U Motion Solid Urethane mid performance Brunswick U Motion Bowling Ball endured lots of testing because Brunswick knows the importance of a urethane ball. The U Motion core has a higher and lowers differential that produces great urethane ball motion. This U Motion Bowling Ball generates consistent and predictable urethane ball motions on various lane conditions but excels on lower volumes of oil and shorter patterns. Solid urethane