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At A Glance
- Neck Type
- GRG7 / Maple neck
- Top/Back/Body
- Poplar body
- Fretboard
- Maple fretboard / Black dot inlay
- Fret
- Jumbo frets
- Number of Frets
- 24
- Bridge
- Ibanez F107 bridge
- String Space
- 10.5mm
- Neck Pickup
- Infinity R (H) neck pickup (Passive/Ceramic)
- Bridge Pickup
- Infinity R (H) bridge pickup (Passive/Ceramic)
- Factory Tuning
- 1E,2B,3G,4D,5A,6E,7B
- Strings
- -
- String Gauge
- .009/.011/.016/.024/.032/.042/.054
- Nut
- Plastic
- Hardware Color
- Black
- Scale
- 648mm/25.5"
- A : Width
- 48mm at NUT
- B : Width
- 68mm at 24F
- C : Thickness
- 20.5mm at 1F
- D : Thickness
- 22.5mm at 12F
- Radius
- 400mmR
- Color
- Metallic Light Blue
Ibanez built the GRG7221MMLB as part of the GRG (Gio RG) sub-line, positioning it as an entry-level seven-string in the broader RG family. The model carried the RG Gio Series designation and was finished in Metallic Light Blue.
The guitar was constructed with a poplar body and a maple neck carrying the GRG7 profile. The maple fretboard ran 24 jumbo frets with black dot inlays, a 400mm radius, and a 648mm (25.5") scale length. Nut width measured 48mm, widening to 68mm at the 24th fret, with neck thickness of 20.5mm at the first fret and 22.5mm at the twelfth. The plastic nut fed into an Ibanez F107 bridge set at 10.5mm string spacing. Both pickup positions carried passive, ceramic-magnet Infinity R humbuckers. All hardware was finished in black. Factory tuning was set B–E–A–D–G–B–E low to high, with a string gauge of .009/.011/.016/.024/.032/.042/.054.
Owners sourcing replacement parts should note that the F107 bridge accepts strings at 10.5mm spacing, and the 48mm plastic nut is a standard dimension on this platform — a qualified guitar technician can confirm compatible replacements for either component.
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
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- Specs, history, and known part compatibility
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