TAMIYA TT02 42 Pitch Delrin 70T Spur Gear DTT2070T by GPM  [DTT2070T]

Delrin 70T replacement for TT02 drivetrains

This aftermarket 70-tooth, 42-pitch spur is produced as part number DTT2070T for the TAMIYA TT02 platform. It is a single-piece Delrin spur intended as a direct replacement or a tuning option to alter gear ratios and refine drivetrain behaviour. The gear meshes with standard 42 pitch pinions and fits the TT02 gearbox layout.

Delrin provides consistent dimensional stability and low friction, helping to reduce gear noise and surface wear when compared with some other plastics. Use this spur when swapping a worn part or when testing small setup changes like pinion size swaps, shimming, or adjusting mesh for quieter engagement.

Installation notes: ensure the paired pinion is 42 pitch, set a small clearance in the gear mesh to prevent binding, confirm axle and gearbox alignment, and inspect bearings and the pinion for wear before final assembly. Tighten mounting hardware evenly but avoid overtightening which can deform seating areas.

Contents: 1pcs spur gear suitable for TT02 gearcases that accept a 42 pitch 70T spur.