Hammer Black Pearl Urethane Weight:13lbs the Aspire spare ball is

the Aspire spare ball is designed to go as straight as possible

* Product Note: 10-13 lb

For many rev dominant bowlers

Lightweight

2000 Siaair / Factory Compound BALL MOTION Length with Strong Backend

Hammer Black Pearl Urethane Weight:13lbs the Aspire spare ball isHammer Black Pearl Urethane Mid Performance Bowling Ball Hammer has been the undisputed urethane champion in bowling since the Purple Pearl Urethanes introduction, and we are excited to carry that title through the new phase of harder urethane bowling balls. Since the PBA announced its rule change, only allowing urethane balls to be 78D or harder, our chemists and lab rats have been working hard producing the now famed NU Blue Hammer and the new 78