Roto Grip Attention Star - Bowling Ball Review

Roto Grip Attention Star Review

The original Attention Star paired Roto Grip's Momentous A.I. asymmetric core with a pearl cover for the first domestic release. Clean through the fronts, sharp off the dry. $189.95 at launch. Now archived — see the S2 hybrid for current availability.

By BowlingBallVideos.com Staff Reviewed Feb 15, 2024 5 videos analyzed
7.1
Overall
Great Score
Weight
12-16 lbs
Coverstock
Pearl
Core
Asymmetric
Hook
Medium
Price
$189.95

Performance Analysis

Performance Analysis

The original Roto Grip Attention Star introduced the Momentous A.I. asymmetric core to the domestic market wrapped in an eTrax Plus Pearl Reactive coverstock with a Reacta Gloss factory finish. That combination put the ball firmly in the “clean through the fronts, strong off the dry” category — the pearl shell minimizes front-end friction, letting the asymmetric core store energy until the ball reaches the mid-lane break point. Reviewers consistently noted the ball’s ability to get down the lane on medium-heavy patterns without the early burn that plagues solid covers on lighter volumes of oil.

What separates the Attention Star from other pearl asymmetrics in the Roto Grip lineup is the strength of the Momentous A.I. core. With a 2.48 RG, .049 differential, and .017 intermediate differential, the ball flares hard and transitions sharply from skid to hook. On medium-heavy fresh, the ball reads at the break point and delivers a defined, angular backend rather than a rounded, rolly motion. This is the piece that helped establish Roto Grip’s reputation for asymmetric pearls that still have teeth — the S2 hybrid follow-up later traded some of that backend snap for a smoother, more controllable read, but the original Attention Star remains the benchmark for skip-snap motion in the line.

Who Is This Ball For?

The original Attention Star was built for bowlers who want pearl length with asymmetric core strength — tournament players looking for a second ball to open up the lane after their benchmark solid has hooked too early, and league bowlers on medium-heavy house shots who need backend recovery. Higher rev players get the most out of the core’s flare potential, but moderate rev bowlers with decent ball speed can also use it effectively by throwing straighter through the heads and letting the cover do its job at the break point.

As of 2026 the original Attention Star is out of stock and has moved to the archive. Bowlers shopping the current Roto Grip lineup for similar motion should look at the Attention Star S2, the hybrid follow-up that keeps the Momentous A.I. core but trades some of the pearl’s skip-snap for a smoother, more versatile read across a wider oil range.

Hook Potential
7.8
Length Through Heads
8.8
Back-End Continuity
9.2
Pin Action
9.0
Versatility
7.8
Value for Money
8.5

The Pros

  • • Pearl cover gets exceptional length through the front of the lane before the mid-lane read
  • • Momentous A.I. asymmetric core with .017 mass bias produces strong, angular backend motion
  • • Reacta Gloss factory polish keeps the ball clean on medium-heavy oil without burning up early
  • • First domestic release of the Momentous core made this a benchmark pearl for the Roto Grip lineup

The Cons

  • • Out of stock as of 2026 — now an archive piece; arsenal plans should consider the S2 hybrid as a successor
  • • Pearl cover can struggle to read the heaviest fresh conditions without surface adjustment
  • • Skip-snap motion rewards accuracy; bowlers who want early roll should look elsewhere

Who Is This Ball For?

The original Attention Star paired Roto Grip's Momentous A.I. asymmetric core with a pearl cover for the first domestic release. Clean through the fronts, sharp off the dry. $189.95 at launch. Now archived — see the S2 hybrid for current availability.

Second Ball in ArsenalMedium-Heavy Backend BallTournament

Technical Specifications

Core Details (Momentous A.I. Core)
RG (15 lbs) 2.48
Differential 0.049
Int. Differential 0.017
Coverstock eTrax Plus Pearl Reactive
Core Type Asymmetric
Factory Finish Reacta Gloss
Color Black / Grey / Purple
Release Date February 2024

How It Compares

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Frequently Asked Questions

What oil condition is the Roto Grip Attention Star best for?
The Roto Grip Attention Star is designed for medium-heavy oil conditions. It features a reactive pearl coverstock with a Reacta Gloss finish, which gives it the surface traction needed to grip through heavier oil patterns.
Is the Roto Grip Attention Star good for beginners?
The Roto Grip Attention Star offers moderate hook potential, making it a reasonable option for bowlers transitioning from entry-level equipment. It provides enough reaction to help develop a hook shot without being uncontrollable.
What is the RG and differential of the Roto Grip Attention Star?
The Roto Grip Attention Star has an RG of 2.48 and a differential of 0.049, with an intermediate differential of 0.017. The lower RG means it revs up earlier, creating an earlier roll in the midlane. The moderate differential provides a balanced combination of flare and predictability.
How much does the Roto Grip Attention Star cost?
The Roto Grip Attention Star is priced at $189.95. This is a premium price point reflecting its high-performance design and advanced core/coverstock technology. You can find it at BowlersMart.com with free shipping and 60-day returns.
What type of bowler should use the Roto Grip Attention Star?
The Roto Grip Attention Star is best suited for bowlers who want maximum flare potential and angular ball motion. With its reactive pearl coverstock on medium-heavy conditions, it works well for a wide range of bowling styles from strokers to tweeners.

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