The TSAV1053T titanium main gear is specified for the HPI Savage 21 and is machined to provide enhanced wear resistance and a stiffer engagement compared with common spur materials. Supplied as a single 53-tooth piece, it replaces a worn main spur in Savage 21 drivetrains.
This item is intended for RC drivetrain assemblies and is presented here for maintenance and tuning reference. During fitting, verify pinion-to-spur mesh and inspect bearings and the spur carrier for wear before finishing assembly. Correct mesh and endplay adjustments help keep the gear engagement consistent and limit premature wear on mating components.
It is well suited for tuning scenarios where a firmer spur material stabilises engagement under heavier loads or altered drivetrain setups, and it serves as a direct replacement for the Savage 21 spur position.
Use this titanium 53T spur for routine servicing or tuned drivetrains where increased stiffness and wear resistance are priorities; always check mesh and adjacent components when installing.
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