The GRG121SP features a poplar body in Blue Metal Chameleon finish with a roasted maple bolt on neck with a 24-fret jatoba fingerboard and white dot position markers. Components include a pair of Classic Elite humbucking pickups, an F106 fixed bridge, 5 way switch, and chrome hardware.
 
Neck type: GRG Roasted Maple
Body: Poplar body
Fretboard: Jatoba fretboard, White dot inlay
Frets: 24 Medium frets
Bridge: F106 fixed bridge
String space: 10.5mm
Neck pickup: Classic Elite (H) neck pickup Passive/Ceramic
Bridge pickup: Classic Elite (H) bridge pickup Passive/Ceramic
String gauge: .010/.013/.017/.026/.036/.046
Hardware colour: Chrome
Scale length: 648mm/25.5