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At A Glance
- Neck Type
- Wizard II-7 / 3pc Maple neck
- Top/Back/Body
- Poplar Burl top / Meranti body
- Fretboard
- Jatoba fretboard / White dot inlay
- Fret
- Jumbo frets
- Number of Frets
- 24
- Bridge
- F107 bridge
- String Space
- 10.5mm
- Neck Pickup
- Quantum-7 (H) neck pickup (Passive/Ceramic)
- Bridge Pickup
- Quantum-7 (H) bridge pickup (Passive/Ceramic)
- Factory Tuning
- 1E,2B,3G,4D,5A,6E,7B
- Strings
- D'Addario EXL110-7
- String Gauge
- .010/.013/.017/.026/.036/.046/.059
- Hardware Color
- Black
- Scale
- 648mm/25.5"
- A : Width
- 48mm at NUT
- B : Width
- 68mm at 24F
- C : Thickness
- 19mm at 1F
- D : Thickness
- 21mm at 12F
- Radius
- 400mmR
- Color
- Sapphire Blue Flat
Ibanez built the RG7421PBSBF as part of the RG Series, positioning it as a seven-string instrument with a visually distinctive Poplar Burl top over a Meranti body. The Sapphire Blue Flat finish was the defining cosmetic feature of this variant within the line.
The guitar was constructed around a three-piece Maple Wizard II-7 neck — a profile associated with Ibanez's emphasis on speed and low action — joined to a Jatoba fretboard carrying white dot inlays across 24 jumbo frets. The 648mm (25.5") scale length and 10.5mm string spacing at the F107 bridge were standard reference points for the platform. Nut width measured 48mm, widening to 68mm at the 24th fret, with a neck thickness of 19mm at the first fret and 21mm at the twelfth. The fretboard radius was 400mmR. Both pickup positions carried passive, ceramic Quantum-7 humbuckers. Hardware throughout was finished in black. The guitar left the factory strung with D'Addario EXL110-7s (.010/.013/.017/.026/.036/.046/.059) in standard seven-string tuning (low B to high E).
Owners sourcing replacement parts — including bridge saddles sized to the 10.5mm string spacing, Quantum-7-format pickups, or a correctly dimensioned nut blank — should consult a qualified guitar technician who can confirm fit against the instrument in hand.
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
