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Ibanez built the GRGM21BKN as part of the miKro Series, a line designed around a shortened scale length and compact overall dimensions. The guitar sat at the entry level of Ibanez's GRG family, positioned as a full-featured electric on a reduced-size platform suited to players requiring a smaller instrument.
The body is basswood, paired with a maple neck carrying the GRGM profile. The jatoba fretboard runs 24 medium frets with sharktooth inlays, a 400 mm radius, and a 41 mm plastic nut. The 22.2-inch scale length is the defining characteristic of the miKro platform. Neck dimensions measure 19.5 mm thick at the first fret and 21.5 mm at the twelfth, widening from 41 mm at the nut to 56 mm at the twenty-fourth fret. The F106 bridge is set to a 10.5 mm string spacing. Electronics consist of two passive ceramic Infinity R humbuckers — one at the neck, one at the bridge. Hardware throughout is chrome. The instrument ships strung with a .010–.046 gauge set in standard factory tuning.
Owners researching replacement parts should note that the F106 bridge, Infinity R pickups, and plastic nut are Ibanez-specific components; a qualified guitar technician can advise on compatible substitutes where original parts are no longer available.
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.
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.
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.
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From spec questions to full builds — players who have lived this gear since 2007.
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