ROTOMATICS® WITH 18:1 GEAR RATIO (102-18 SERIES)

The Rotomatics® (102-18 Series) machine heads are a triumph in engineering and styling. The 18:1 ratio provides for finer tuning and greater stability. The housing provides a maximum bearing for worm, gear, and string post.

The 102-18 Series machine heads are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear, and string post. The 18:1 ratio provides for finer tuning and greater stability. The finer gears provide smoother tuning and a higher degree of backlash elimination. 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
  • 18:1 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 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. 102-18N Nickel
No. 102-18C Chrome
No. 102-18G Gold
No. 102-18BC Black Chrome

W/ Keystone Buttons
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 102-18NK Nickel
No. 102-18CK Chrome
No. 102-18GK Gold
No. 102-18BCK Black Chrome

Schematic Drawing

102-18 Series
102-18K Series

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