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Bondtech LGX® Lite Extruder

Regular price $82.00 USD
Regular price $69.00 USD Sale price $82.00 USD
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The Bondtech LGX is an innovative lightweight, compact extruder that is perfect for all printers. It features extra large 18mm diameter drive gears compared to the standard 5mm gears to provide excellent grip on the filament, especially for tpu prints. A unique lever tensioning system is used to quickly change between 3 inbuilt pretensions. 

Key Specifications

  • With 20mm motor and without motor options available 
  • Large 18mm filament drive gears for more contact with the filament for excellent grip
  • Uses a small 20mm NEMA 14 round stepper motor (LDO-36STH 20 -1004AHG) to reduce weight and provide excellent torque 
  • Lightweight design, it is only 141 grams
  • Filament pretension lever with 3 different presets
  • Drive gears windows for easy maintenance 
  • Many mounting points for a sturdy connection to the toolhead 
  • SLS printed carbon fibre nylon housing for great rigidity and high temperature resistance 

Filament Compatibility

  • PLA
  • PETG
  • ABS/ABS+
  • Nylon
  • TPU
  • PC
  • PP
  • Filled Materials (Carbon Fiber, Glow in the Dark, Wood)
  • High temp materials (PEEK, PEKK, ULTEM, etc)


  • Mounting holes: M3
  • Mounting patterns: bottom (4 points); right (2 points), front to the motor (2 points), top (1 point)
  • Hole at the top of the LGX® Lite: 5 mm depth
  • Holes on the side of the LGX® Lite: 5 mm depth
  • Holes on the bottom of the LGX® Lite: 5 mm depth
  • Max tightening torque on the extruder screws is 0.3 Nm

Included in the box

  • 1x LGX® Lite feeder 
  • 1x LDO Nema14 Round 20mm pancake stepper motor;
    • 1m long lead cable with JST-XH 4-pin connector
  • 1x 2mm Hex Key (recommended tool)
  • 1x Powered By Bondtech sticker.

Additional accessories:

  • 1x Push-fit collar
  • 1x 30mm PTFE tube to use in the PTFE Tube Adapter.
  • 8x M3 square nuts for reinforcing mounting holes.

Firmware Configuration 

  • e-steps value: 562 using 16 microsteps; 1124 using 32 microsteps.


  • Connector: JST-XH 4-pin connector
  • Motor gear: 10 teeth
  • Motor length: 20 mm
  • Motor Diameter: 36mm
  • Weight: 93g
  • Max Current: 1.0 A / phase
  • To use the LGX, run the stepper motor with currents between ~0.45 and ~0.65A:
    Be vigilant regarding the stepper motor surface temperature.
    Keep it cool enough to touch. Lower Vref otherwise.
  • Leads Length: 1m
  • Step Angle: 1.8 degree
  • Max Torque at: 1800 PPS
  • Potential Flow Rate @ Max Torque: 120mm^3/s
  • Class: H, rated peak temp 180℃
  • Max operating Temperature / Current:
    120℃ / 750 mA
  • Manufacturer: LDO
  • Manufacturer SKU: LDO-36STH20-1004AHG(XH)