# Roto Grip Optimum Idol Glow

> Bowling ball — data from CarryDown (https://www.carrydown.com/balls/roto-grip-optimum-idol-glow/)

- Brand: Roto Grip
- Last updated: 2026-08-03
- Availability: unknown
- Released/approved: 2024-12-03
- Coverstock: [MicroTrax Pearl Reactive](https://www.carrydown.com/brands/roto-grip/coverstocks/microtrax/) (pearl)
- Core: [Ikon MD AI](https://www.carrydown.com/brands/roto-grip/cores/ikon-md-ai/) (symmetric)
- Intended condition: Medium-heavy oil
- Factory finish: 1500-grit Polished
- Flare potential: High
- List price (MSRP): no manufacturer price found
- USBC approved: yes (2024-11-05)

## Specs by weight

| Weight | RG | Differential | Int. Diff |
|---|---|---|---|
| 16 lb | 2.47 | 0.054 | — |
| 15 lb | 2.47 | 0.056 | — |
| 14 lb | 2.51 | 0.054 | — |
| 13 lb | 2.58 | 0.047 | — |
| 12 lb | 2.64 | 0.037 | — |

## International listings

- Japan — [HI-SPORTS](https://hi-sp.co.jp/product/optimum_idol_glow/) — [spec sheet PDF](https://hi-sp.co.jp/2019new/wp-content/uploads/2024/12/Optimum_Idol_Glow-ctlg_xl-1.pdf)
- South Korea — [Bowling Korea](https://www.bowlingkorea.com/balls/1335)