Roto Grip GEM
✓ USBC Approved✓ PBA CertifiedDiscontinued
USBC approved 2022-01-04
Heavy oil
- Coverstock
- Micro Trax Solid (solid)
- Core
- Defiant LRG (asymmetric)
- Factory finish
- 2000 Grit
- Flare potential
- High
- Color
- Citrine/Ruby/Amethyst
Specs by weight
Not published in 15 lb — showing all available weights.
| Weight | RG | Differential | Int. Diff |
|---|---|---|---|
| 16lbyour weight | 2.470 | 0.051 | 0.016 |
| 15lbyour weight | 2.470 | 0.053 | 0.016 |
About this ball
GEM
Similar reaction shapes
Closest balls by RG / Differential / Int. Diff — any brand.
Jackal Onyx 15lb · RG 2.47 · D 0.054 ✓ USBC Approved
Jackal Shadow 15lb · RG 2.47 · D 0.054 est. ✓ USBC ApprovedInt. release
Jackal Ambush 15lb · RG 2.47 · D 0.054 ✓ USBC ApprovedDiscontinued
Statement Solid 15lb · RG 2.47 · D 0.054 ✓ USBC Approved
Jackal Wild 15lb · RG 2.47 · D 0.054 est. ✓ USBC ApprovedInt. release
Evoke Mayhem 15lb · RG 2.48 · D 0.050 ✓ USBC Approved
Evoke 15lb · RG 2.48 · D 0.050 ✓ USBC ApprovedDiscontinued
ION MAX 15lb · RG 2.47 · D 0.055 ✓ USBC Approved
ALPHA CRUX 15lb · RG 2.48 · D 0.053 ✓ USBC Approved
EQUINOX SOLID 15lb · RG 2.48 · D 0.054 ✓ USBC Approved
Rip'd Solid 15lb · RG 2.48 · D 0.054
Paragon Fire 15lb · RG 2.49 · D 0.056 ✓ USBC Approved
Paragon 15lb · RG 2.49 · D 0.056 ✓ USBC ApprovedDiscontinued
Trident Odyssey 15lb · RG 2.49 · D 0.054 est. ✓ USBC ApprovedDiscontinued
Spartan 15lb · RG 2.47 · D 0.053 ✓ USBC Approved