The Roto Grip RST Hyperdrive Pearl delivers reliable, repeatable reaction for bowlers who demand consistency on the lanes.

Ball Specifications

• Color: Space Blue / Deep Purple
• Coverstock: U-R1 Pearl Reactive
• Weight Block: RST + A.I. Core
• Factory Finish: Power Edge
• Flare Potential: High
• Radius of Gyration (RG): 16lbs - 2.51; 15lbs - 2.52; 14lbs - 2.54
• Differential (Diff): 16lbs - 0.051; 15lbs - 0.055; 14lbs - 0.055
• Intermediate Differential (Diff): 16lbs - 0.016; 15lbs - 0.017; 14lbs - 0.017
• Fragrance: N/A

Backed by expert drilling, fast shipping, and the best prices on performance gear.