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At A Glance
- Neck Type
- GRG / Maple neck
- Top/Back/Body
- Poplar body (WNF finish: Okoume body)
- Fretboard
- Bound Purpleheart fretboard / White Sharktooth inlay
- Fret
- Jumbo frets
- Number of Frets
- 24
- Bridge
- F106 bridge
- String Space
- 10.5mm
- Neck Pickup
- IBZ-6 (H) neck pickup (Passive/Ceramic)
- Bridge Pickup
- IBZ-6 (H) bridge pickup (Passive/Ceramic)
- Factory Tuning
- 1E,2B,3G,4D,5A,6E
- String Gauge
- .010/.013/.017/.026/.036/.046
- Hardware Color
- Black
- Scale
- 648mm/25.5"
- A : Width
- 43mm at NUT
- B : Width
- 58mm at 24F
- C : Thickness
- 19.5mm at 1F
- D : Thickness
- 21.5mm at 12F
- Radius
- 400mmR
- Series
- RG Gio
Ibanez built the GRG121DXWNF as part of the GRG sub-line within the broader RG Gio Series, positioning it as an entry-level instrument styled after the full RG platform. The guitar carried a Poplar body in most finishes, with the Walnut Flat (WNF) variant built on an Okoume body instead.
The neck is a GRG-profile Maple piece, topped with a bound Purpleheart fretboard carrying White Sharktooth inlays across 24 Jumbo frets. The scale runs 648mm (25.5"), and the nut width measures 43mm, tapering to 58mm at the 24th fret; neck thickness is 19.5mm at the first fret and 21.5mm at the twelfth. The fretboard radius is 400mmR. Hardware throughout is finished in black, anchored by an F106 bridge with 10.5mm string spacing. Pickup duties fall to a pair of passive, ceramic IBZ-6 humbuckers — one at the neck, one at the bridge. The guitar left the factory strung in standard E tuning with a .010–.046 gauge set.
Owners sourcing replacement parts should note that the F106 bridge accepts strings at 10.5mm spacing, and the 43mm nut width governs nut replacement. For setup adjustments, fret work, or hardware substitutions, consulting a qualified guitar technician familiar with double-locking or hardtail RG-style platforms is advisable.
STRAIGHT TALK
What Stands Out
Keep In Mind
From the people who own them
Nothing in The Vault is for sale. These records exist so the instruments stay documented after the manufacturer moves on — and the most useful part of that record is what owners add to it.
Owner photos
Put yours on the record.
The catalog shot showed one finish, under one light, a long time ago. Yours has been played. Photos from owners are what the next person finds when they are trying to identify a part, match a finish, or work out whether the one they just bought is really what the seller said it was.
What do you know about this one?
Specs only go so far. What actually fits, what breaks first, what the factory got right and what everyone ends up changing — that lives with the people who own them, not in a datasheet. Post what you know and it stays on this page for whoever comes looking next.
Build Your Complete System
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Gear Help, Handled
From spec questions to full builds — players who have lived this gear since 2007.
Since 2007
Fit & Compatibility
- Bridge, tuner, and nut fit confirmed for your guitar
- Pickup and electronics compatibility checks
- Pedal power and amp/cab impedance matching
Mods & Upgrades
- Upgrade paths for the guitars you already own
- Wiring, routing, and hardware swap guidance
- Advice from people who actually do the mods
The Vault
- Discontinued and EOL guitars kept on record
- Specs, history, and known part compatibility
- Share your builds and mods with the community
