# Pyramid Prime Pearl

> Bowling ball — data from CarryDown (https://www.carrydown.com/balls/pyramid-prime-pearl/)

- Brand: Pyramid
- Availability: current
- Released/approved: 2025-07-08
- Coverstock: [GPS Navigational Pearl ATX-XX](https://www.carrydown.com/brands/pyramid-bowling/coverstocks/gps-navigational-atx-xx/) (pearl)
- Core: [Fractal Torus](https://www.carrydown.com/brands/pyramid-bowling/cores/fractal-torus/)
- Intended condition: Medium-heavy oil
- Factory finish: 2000 Grit Abralon/Polish
- Flare potential: High
- USBC approved: yes (2025-10-07)

## Specs by weight

| Weight | RG | Differential | Int. Diff | Mass Bias |
|---|---|---|---|---|
| 16 lb | 2.535 | 0.051 | — | — |
| 15 lb | 2.547 | 0.05 | — | — |
| 14 lb | 2.558 | 0.049 | — | — |
| 13 lb | 2.638 | 0.048 | — | — |
| 12 lb | 2.657 | 0.049 | — | — |

## Description

Pyramid Prime Pearl - Explosive Length & Backend Power