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BMG-style clone extruder gear set with hobbed drive gears, needle bearings, square nuts, and shaft

BMG Clone Extruder Gears

$5.99
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BMG-style clone extruder gear set for rebuilding dual-drive filament feed hardware. This is the replacement gear hardware shown for BMG-clone / Bondtech-style 1.75 mm extruder internals.

Why replace the gears instead of the whole extruder?

  • Refreshes the filament-gripping parts in a worn BMG-style extruder without buying another body, motor, or full kit.
  • Useful for Voron, ERCF, and other open-source builds that call for BMG-style dual-drive internals.
  • Small, easy-to-stock spare for diagnosing slipping, chewed filament, or damaged drive hardware.

Specifications

  • Type: BMG-style clone extruder gear / internals replacement set.
  • Filament system: for BMG-style 1.75 mm dual-drive extruder layouts.
  • Visible contents: two hobbed drive gears, two black needle bearings, two square nuts, and one smooth shaft/pin as shown in the product photo.
  • Brand/vendor: Two Trees clone hardware; not genuine Bondtech OEM.

Fitment notes

  • Use for BMG-clone and Bondtech-style extruder rebuilds where the printed or molded housing matches this gear layout.
  • For a fuller rebuild, see the BMG Clone Components Kit.
  • If your rebuild also needs the small roller bearings, check BMG Style Needle Bearings.

What it is not

  • Not a complete extruder, motor, housing, or genuine Bondtech drive gear kit.
  • Clone gear dimensions can vary by housing; compare the product photo against your existing gears before ordering.

Pairs well with