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Grover 2 Per Side or 4 In Line Mini Bass Machines

SKU: 144
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Price $87.50 - $135.50
Global Rating: 5.00 from 2 reviews
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  • Description
  • Specifications

Grover® 2 Per Side or 4 In Line Mini Bass Machines

The Grover® "MINI" is lightweight, compact and durable for modern electric basses. Gear ratio is 20:1. Housing is specially machined to achieve the precise tolerance that prevents slippage and allows fine tuning. Sealed gear box has permanent lubrication that makes the MINI friction-free for life. Individually hand-tested. Screws and bushings included.

Please Note: Grover tuning machines produced prior 1985 use different specifications for threading and shaft sizing. Current production replacement parts are not interchangeable on vintage (pre-1985) Grover tuning machines.


  • Gear ratio = 20:1
  • String Post Height = 1 1/3 in. (33.7mm)
  • String Post Diameter = 33/64 in (13mm)
  • Bushing O.D. = 21/32 in. (16.7mm)
  • Bushing I.D. = 33/64 in. (13.2mm)
  • Mounting Plate Length Top to Bottom = 1 37/64 in. (40.2mm)
  • Mounting Screw Hole location at Bottom of Plate 1/2 in. (13mm) apart
  • String Post Location = 3/4 in. (19.1mm) from horizon line of bottom Mounting Holes Centered

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