The Tamiya 54540 steel bevel gear set is a straight-forward upgrade for TB-04 and TB-04 PRO chassis owners who need tougher differential internals. Steel gears cope better with high-torque motors and frequent running than standard plastic counterparts.
Ensure the differential housing and teeth are clean before fitting the Tamiya 54540 gears. Use an appropriate metal gear grease, set gear mesh carefully, and run-in the unit gently. Periodic checks will extend service life.
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