# Roto Grip Rst X-2 Pro

> Bowling ball — data from CarryDown (https://www.carrydown.com/balls/roto-grip-rst-x-2-pro/)

- Brand: Roto Grip
- Availability: unknown
- Released/approved: 2022-05-02
- Coverstock: [Hyper-Response Pearl Coverstock](https://www.carrydown.com/brands/roto-grip/coverstocks/hyper-response-coverstock/) (pearl)
- Core: [RST Core (Roto Star Tour Core)](https://www.carrydown.com/brands/roto-grip/cores/rst-core-roto-star-tour-core/)
- Intended condition: Medium-heavy oil
- Factory finish: 1500-grit Polished
- Flare potential: High
- List price (MSRP): no manufacturer price found
- USBC approved: yes (2022-03-15)
- PBA certified: yes

## Specs by weight

| Weight | RG | Differential | Int. Diff | Mass Bias |
|---|---|---|---|---|
| 16 lb | 2.52 | 0.049 | 0.015 | — |
| 15 lb | 2.53 | 0.053 | 0.016 | 0.016 |
| 14 lb | 2.55 | 0.053 | 0.016 | — |
| 13 lb | 2.57 | 0.032 | 0.01 | — |
| 12 lb | 2.59 | 0.029 | 0.008 | — |