Mugen Seiki MTX-4 Delrin Spur Gear 0.8 Pitch 52T - MTX4-0852/V3 by 3Racing  [MTX4-0852/V3]

Mugen Seiki MTX-4 Low Friction Delrin Supr Gear 0.8 Pitch 52T Ver. 3 - 3RACING MTX4-0852/V3
Price:
CAD$3.51
Brand:
3Racing
Model:
MTX4-0852/V3
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Delrin 52T Spur for MTX-4

This replacement spur is offered for use on the Mugen Seiki MTX-4 as a Delrin 0.8 pitch 52-tooth unit intended for drivetrain tuning and quieter mesh operation.

As an aftermarket option, the Delrin (acetal) tooth profile tends to run with lower friction against hardened pinions and gives a stable dimension under typical RC temperatures. Use this spur when you want a change in gear feel without altering the underlying gearbox layout.

During installation, confirm correct pinion engagement and backlash per MTX-4 guidance, ensure the spur mounts concentrically on the gearbox shaft, and check free rotation with your motor and selected pinion. If you choose a light lubricant, apply sparingly and verify mesh after a short test run to avoid binding or excess play.

Will this fit MTX-4 gearboxes using 0.8 pitch pinions?

The spur is 0.8 pitch and 52T, so it matches setups that use 0.8 pitch pinions; double-check your pinion pitch before fitting to ensure compatibility.

How should I check mesh after fitting?

Set pinion alignment and backlash to MTX-4 specifications, spin the motor by hand to confirm smooth rotation, then run at low speed to inspect for binding or excessive play.

Is Delrin quieter than nylon spurs?

Delrin often reduces initial break-in noise and can feel smoother, but final noise levels depend on pinion material, bearings, and mesh setup.

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