Spec
| Model Name | JCRG-1 |
| Color | Natural |
| Body Top | | |
| Body Back | Mahogany Wing |
| Neck | 3pcs. Maple Through Neck |
| Neck type | | |
| Fingerboard | Rosewood |
| Position Inlay | Abalone Off-set Dot |
| Fret | Custom Jumbo (SBB216-195) |
| Neck Joint | Thru |
| Scale | 648mm/25.5inch |
| Neck width | | |
| Neck thickness | | |
| Fingerboard Radius | 430mmR |
| Bridge | Lo-Pro Edge |
| Pickup(neck) | DiMarzio Air Norton(H) |
| Pickup(center) | | |
| Pickup(bridge) | DiMarzio Tone Zone(H) |
| Hardware | Cosmo Black |
|
Pickup Switching
|
Controls
 |