Track Proof Solid Bowling Ball size 12 this bag is a must

this bag is a must

high volume

The Infinite PhysiX pushes the limits of performance

They are easy to put on and conveniently fits in your bag

but is easy to remove

Track Proof Solid Bowling Ball size 12 this bag is a mustYou need proof? Track has got Proof in the form of a high performance bowling ball. This ball boasts to possibly have the strongest core in this ball category to date which is paired with the Prime Response solid coverstock and is best used on medium to heavy oil conditions. This bowling ball is strong and has a continuous motion and never wants to quit, even with it's combination of a strong core, cover, and finish. Color: Black Grey Solid All colors