# Roto Grip Rubicon Gt

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

- Brand: Roto Grip
- Last updated: 2026-08-03
- Availability: unknown
- Released/approved: 2021-08-25
- Coverstock: [MicroTrax Hybrid Reactive](https://www.carrydown.com/brands/roto-grip/coverstocks/microtrax/) (hybrid)
- Core: [Rondure Core](https://www.carrydown.com/brands/roto-grip/cores/rondure-core/)
- Intended condition: Medium-heavy oil
- Factory finish: 2000-grit Abralon
- Flare potential: High
- List price (MSRP): no manufacturer price found
- USBC approved: yes (2021-08-03)
- PBA certified: yes

## Specs by weight

| Weight | RG | Differential | Int. Diff |
|---|---|---|---|
| 16 lb | 2.48 | 0.05 | 0.012 |
| 15 lb | 2.49 | 0.052 | 0.011 |
| 14 lb | 2.53 | 0.052 | 0.009 |
| 13 lb | 2.57 | 0.032 | 0.01 |
| 12 lb | 2.59 | 0.029 | 0.008 |

## International listings

- Japan — [HI-SPORTS](https://hi-sp.co.jp/product/rubicon-gt/) — [spec sheet PDF](https://hi-sp.co.jp/2019new/wp-content/uploads/2021/10/bo356-rubicon_gt-ctlg.pdf)
- South Korea — [Bowling Korea](https://www.bowlingkorea.com/balls/602)