TAMIYA TT02/TT02B Delrin 42 Pitch 69T Spur Gear for Drive Ratio Changes - DTT2B069T by GPM  [DTT2B069T]

Delrin 69T Spur Gear — 42 Pitch Overview

This aftermarket Delrin spur gear fits TAMIYA TT02 and TT02B chassis and is listed under part DTT2B069T. It provides the 42 pitch geometry and 69 teeth required to mesh with 42 pitch motor pinions commonly used on this platform.

Delrin offers a low-friction surface and dimensionally stable performance that helps maintain an acceptable gear mesh under normal drivetrain stresses. It is intended for installation inside the gearbox or motor-mesh area and should be inspected during routine service intervals.

Fitment checklist: set and verify correct gear mesh with the installed pinion, ensure axial alignment, and check that the 69T diameter does not interfere with structural parts. Handle the Delrin carefully to prevent deformation when fitting.

Performance impact: changing the spur gear is a quick way to tune final drive on the TT02; a higher tooth count increases top speed potential while reducing initial acceleration. Select gear changes according to track type and power setup.