The 102 Series machine heads are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear, and string post. Worm and gear are precision-cut for perfect meshing, which eliminates backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service.

  • Sealed-in, lubricated gears
  • Available in standard 14:1 gear ratio and fine 18:1 (102-18) gear ratio
  • 25/64” post hole
  • Post length to hole: 23mm
  • Overall post length: 28.2mm
  • Weight per pc/per set: 1.6oz/9.6oz
  • Max. string gauge: .074”
  • Hardware included (bushings, washers, screws)

Drop-in replacement for:

  • 102-18 Series
  • 102V Series
  • 103 Series
  • 106 Series
  • 109 Series
  • 109-18 Series
  • 135 Series (Top mounting hole will be visible)
  • 136 Series (Top mounting hole will be visible)
  • 502 Series
  • 509 Series

Product Measurements

Gear Ratio: 1:14
Bushing Length: 13 mm
Knob Depth: 8 mm
Knob Width: 17 mm
Knob Length: 23.85 mm
Item Width: 42.4 mm
Item Length: 27.2 mm
Mounting Hole Diameter: 2.6 mm
String Post Diameter: 6 mm

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
Brand
Model
  • 102G Rotomatic Guitar Tuning Machines - 3x3
Categories
Year
  • 2026

Product safety information may be available here.

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Tempe, AZ, United States
Joined Reverb:2013

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