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At A Glance
- Neck Type
- GRX / Maple neck
- Top/Back/Body
- Poplar body
- Fretboard
- Jatoba fretboard / White dot inlay
- Fret
- Medium frets
- Number of Frets
- 22
- Bridge
- T106 tremolo bridge
- String Space
- 10.5mm
- Neck Pickup
- Infinity RS (S) neck pickup (Passive/Ceramic)
- Bridge Pickup
- Infinity R (H) bridge pickup (Passive/Ceramic)
- Factory Tuning
- 1E,2B,3G,4D,5A,6E
- String Gauge
- .009/.011/.016/.024/.032/.042
- Hardware Color
- Chrome
- Scale
- 648mm/25.5"
- A : Width
- 42mm at NUT
- B : Width
- 57mm at 22F
- C : Thickness
- 19.5mm at 1F
- D : Thickness
- 21.5mm at 12F
- Radius
- 305mmR
- Color
- White
Ibanez built the GRX20WWH as part of the GRG Gio series, positioning it as an entry-level double-cutaway solid-body electric guitar within the broader RG family. The Gio line was designed to bring RG-style ergonomics and hardware appointments to players at the more accessible end of the market.
The guitar is constructed with a poplar body and a maple neck carrying a jatoba fretboard with white dot inlays. Twenty-two medium frets are set over a 648 mm (25.5") scale length, with a nut width of 42 mm tapering to 57 mm at the 22nd fret; neck thickness runs 19.5 mm at the first fret and 21.5 mm at the twelfth, over a 305 mm radius board. The T106 tremolo bridge is spaced at 10.5 mm string-to-string and is finished in chrome, consistent with all other hardware on the instrument. Pickup duties are handled by an Infinity RS single-coil at the neck and an Infinity R humbucker at the bridge, both passive ceramic units. The guitar left the factory strung to standard E tuning with a .009–.042 gauge set.
Owners sourcing replacement parts — bridge saddles, tremolo components, tuning machines or pickups — should verify fit against the original specifications listed above, and consult a qualified guitar technician for any setup, nut work or wiring carried out on the instrument.
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
