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
| Condition | Brand New (New) Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more |
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Product safety information may be available here.


