ittems

Roto Grip RST Hyperdrive Pearl Bowling Ball

Sold by BowlersMart (www.bowlersmart.com). $169.95 USD. In stock: 16LB, 15LB, 14LB, 13LB, 12LB. Checked 2026-10-15 17:34 UTC.

Buy: https://www.bowlersmart.com/product/roto-grip-rst-hyperdrive-pearl-bowling-ball/

Facts

Variants

VariantSKUPriceAvailability
16LBRGBBMRYR16$169.95 USDIn stock
15LBRGBBMRYR15$169.95 USDIn stock
14LBRGBBMRYR14$169.95 USDIn stock
13LBRGBBMRYR13$169.95 USDIn stock
12LBRGBBMRYR12$169.95 USDIn stock

Description (merchant text, shortened)

Long and Strong Asymmetric Power

About the RST Hyperdrive Pearl

The Roto Grip RST Hyperdrive Pearl builds on the success of the original RST Hyperdrive and takes it in a cleaner, longer direction. It keeps the strong RST Core + AI asymmetric engine but wraps it in the U-R1 Pearl Reactive coverstock at a Power Edge polish, so you get the same asymmetric power with more length and a sharper backend.

The RST Hyperdrive Pearl is the long-and-strong piece in the line, finished in a bold Blue and Purple cosmetic. The polished pearl cover conserves energy through the front of the lane and saves it for a strong, angular move at the breakpoint, while the asymmetric RST core supplies the flare and continuation. It is the high-performance HP4 pearl for medium-heavy oil and transitioning patterns.

Understanding the Roto Grip RST Core + AI and Roto Grip U-R1 Pearl Reactive

Roto Grip built the RST Hyperdrive Pearl for length with asymmetric power. Specifically, the asymmetric RST Core + AI delivers heavy flare and a strong, continuous read, while the U-R1 Pearl cover at a Power Edge polish conserves energy through the fronts and stores it for a defined, angular move down-lane. As a result, it clears the heads more easily than the solid RST Hyperdrive, then makes a sharper backend, which is exactly what you want when the lanes have transitioned or you need more length on medium-heavy oil. The full per-weight specifications are listed below.

A Strong Asymmetric Core With Heavy Flare and Continuation

At the heart of the RST Hyperdrive Pearl is the asymmetric RST Core + AI, the same strong engine as the original RST Hyperdrive. At 15 lb it measures RG 2.52, a strong .055 differential, and a .017 intermediate differential (mass bias), numbers that produce heavy flare and a powerful, defined asymmetric motion. The high differential creates the track flare to clear oil, while the asymmetric shape gives a strong, continuous read.

On the Pearl, that strong core is paired with a cleaner cover, so the asymmetric power comes with extra length and a sharper finish. Because the core is asymmetric, layout has a strong influence on the reaction, so your pro shop can position the pin and mass bias to lean the motion earlier or more angular to match your game.

A Polished Pearl for Length and a Strong, Angular Backend

The RST Hyperdrive Pearl wraps that core in the U-R1 Pearl Reactive coverstock, finished at Power Edge polish. The pearl additive and polished surface conserve energy through the front of the lane, so the Pearl pushes cleanly through the heads, then makes a strong, angular move when it reaches the friction. It reads later and sharper than the sanded, solid RST Hyperdrive.

Full text at the buy link above.

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