15# RST Hyper Drive Pearl

If you’re hunting for a high-performance bowling ball that blends clean motion through the fronts with a snarling, continuous backend, the Roto Grip RST Hyperdrive Pearl is a compelling option. In this review & analysis guide, I’ll walk you through its tech specs, motion characteristics (as seen in the YouTube demo), drilling considerations, ideal lane conditions, strengths & limitations, and how it compares (in concept) to other balls in your bag. By the end, you’ll have a clear picture of whether this is a ball you should invest in.

Technical Specifications & Core Features

From the Storm Bowling product page, here’s a breakdown of what makes the RST Hyperdrive Pearl tick:

• Core / Weight Block
  • RST™ + A.I. Core Technology (same asymmetrical core as the original RST Hyperdrive)
  • Higher RG value promotes length; the offset between top and bottom discs increases torque and change of direction downlane.

• Coverstock
  • U-R1™ Pearl Reactive, a nano-free formulation designed for “ULTRA response” 
  • Pearlized finish that helps the ball move more cleanly through the heads while still responding aggressively to friction later in the lane 

Intended Conditions & Specs
• Engineered for medium to medium/heavy oil conditions
• Differential: 0.055
• Flare potential: High
• Radius of gyration: 2.52 (in the spec listing)
• Symmetry: Asymmetrical

• Intermediate Differential: .017
• Color: Space Blue / Deep Purple 
• Release date: 09/19/25