The Grover 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
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With Keystone Buttons
For standard guitars, 3 Treble and 3 Bass, Set of 6
No. 102-18BCK Black Chrome