This listing describes a replacement 70T spur gear and matching holder made for the TAMIYA XV-02 PRO 1/10 chassis. The gear uses M0.6 module teeth and medium carbon steel to balance wear resistance with smooth mesh under typical RC speeds, and it is intended only for model use.
The spur forms the main reduction stage between pinion and gearbox input, while the included holder maintains axial alignment so the gear runs concentric under load. Correct seating and stable bearing support help avoid uneven wear and keep gear mesh consistent during prolonged runs.
Installation notes: remove the original spur assembly, mount the 70T spur on its hub, fit the holder to align the gear with the gearbox input, and confirm even tooth engagement before final tightening. Rotate the drivetrain by hand after fitting to check for smooth operation and any lateral play that could indicate worn bearings or shaft issues.
Tuning considerations: upgrading to this medium carbon steel 70T spur will affect drive feedback and longevity compared with softer materials; use gear swaps alongside pinion and timing adjustments to dial in acceleration versus top speed.
51694,22053
After a short break-in, recheck spur-to-pinion backlash and holder fastenings for consistent wear patterns; this set suits hobby 1/10 XV-02 PRO builds that need a robust steel spur.
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