The Roto Grip Rock Star is engineered for bowlers who need a reliable, high-performance ball for medium to heavy oil conditions. Featuring the innovative NanoStar™ Solid coverstock, the Rock Star balances midlane traction with strong backend responsiveness, delivering the perfect blend of control and power.

At its core is the newly developed Rocker Core with A.I. Core Technology, designed to provide enhanced energy retention, smooth motion, and increased continuation through the pins. This dynamic core-cover combination ensures a clean look through the front, a strong midlane read, and an aggressive but predictable backend motion.

 

Key Features:

✔ NanoStar™ Solid Coverstock – Provides the ideal mix of traction and angularity.

✔ Rocker Core with A.I. Technology – Maximizes energy retention for superior pin carry.

✔ Built for Medium-Heavy Oil – Versatile enough to handle fresh and transitioning lanes.

 

The Roto Grip Rock Star delivers a powerful, controlled reaction, making it a go-to choice for competitive and advanced bowlers.