ROTOMATICS® (102 SERIES)

The Rotomatics® (102 Series) machine heads are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear, and string post. Gear ratio is 14:1.

The 102 Series machine heads are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear, and string post. Gear ratio is 14:1. 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
  • 14:1 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

Available in:
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 102N Nickel
No. 102C Chrome
No. 102G Gold
No. 102BC Black Chrome

W/ Keystone Buttons
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 102NK Nickel
No. 102CK Chrome
No. 102GK Gold
No. 102BCK Black Chrome

Schematic Drawing

102 Series
102K Series

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