On The Ball Bowling (OTB) is now officially licensed by MOTIV to create a designer series of polyester spare balls. The MOTIV design team works closely with OTB to create every ball in the line. 

Specs:

• Cover: Polyester

• Surface: poliert

• printed cover

• Core: Pancake

• R.G.: 2.62

• Diff.: 0.020

• Weights: 6, 8, 10, 12, 14, 15, 16 lbs