# Storm Equinox

> Bowling ball — data from CarryDown (https://www.carrydown.com/balls/storm-equinox/)

- Brand: Storm
- Availability: current
- Released/approved: 2025-01-01
- Coverstock: [A1S Pearl Reactive](https://www.carrydown.com/brands/storm/coverstocks/a1s/) (pearl)
- Core: [Solarion A.I. Core](https://www.carrydown.com/brands/storm/cores/solarion-a-i-core/)
- Intended condition: Medium-heavy oil
- Factory finish: Power Edge Polish
- Flare potential: High
- List price (MSRP): no manufacturer price found
- USBC approved: yes (2025-01-07)
- PBA certified: yes

## Specs by weight

| Weight | RG | Differential | Int. Diff | Mass Bias |
|---|---|---|---|---|
| 16 lb | 2.47 | 0.054 | 0.016 | — |
| 15 lb | 2.48 | 0.054 | 0.018 | 0.018 |
| 14 lb | 2.49 | 0.053 | 0.017 | — |
| 13 lb | 2.56 | 0.034 | 0.011 | — |
| 12 lb | 2.58 | 0.032 | 0.009 | — |

## Description

TIMELESS PERFORMANCE YOU EXPECT

With 80% of leagues and weekend tournaments played on oil patterns between 39 and 44 feet (Doug Dukes, VP of Sales, Kegel), the Storm EquinoX is purpose-built for league bowlers. Designed for these conditions, it delivers the signature backend motion Storm is known for—combining powerful reaction with consistent performance. The EquinoX is the ideal choice for bowlers looking to dominate their league nights and weekend tournaments with confidence and precision.