The difference is the cover

Track's exceptional performance has made it one of the most popular bowling brands

hefty rubber wheels

50 (14lbs)

Roto Grip Rockstar Amped Bowling Balls Type_ Mid Performance The difference is the coverMeet the HP3 RockerROCK STAR AMPED and ready to steal the show! This ball has a powerful Rocker Core and a game changing NanoStar coverstock. It moves in a dynamic way and has unbeatable traction on medium to heavy oil. The Rocker Core gives you a strong, flexible roll, and the NanoStar grips the lane with raw, aggressive control. The Rocker is made for bowlers who live loud and play hard. It has amazing performance and is a lot of fun. Every frame is