Picture of Roto Grip RST Hyperdrive Pearl Bowling Ball

Picture of Roto Grip RST Hyperdrive Pearl Bowling Ball

Picture of Roto Grip RST Hyperdrive Pearl Bowling Ball

Roto Grip RST Hyperdrive Pearl Bowling Ball

U-R1 Pearl Reactive cover, RST Core + AI (asymmetric) core. Best for medium to medium-heavy oil.

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Manufacturer: Roto Grip

Bowling Ball Weight *

Old price: $289.95

Price: $169.95

The RST Hyperdrive Pearl puts the RST core under a polished U-R1 pearl for length and a strong, angular backend.

Coverstock: U-R1 Pearl Reactive
Core: RST Core + AI (asymmetric)
Specs: 2.52 RG, .055 differential, .017 mass bias (15 lb)
Factory finish: Power Edge (Polished)
Best for: Medium to medium-heavy oil
Weights: 12 to 16 lb
Sold undrilled