This front and rear titanium wheel shaft set has been produced for use with the HPI Savage 21 chassis and is listed under model TSAV1139 by GPM. The kit ships as a matched 1pr with washers included for direct swap or upgrade of standard wheel mounting parts.
Built as a direct-fit solution, the shafts secure the wheel to the hub carrier and help keep alignment stable during aggressive running. Fit by removing the wheel and hub assembly, verify clearance around bearings and suspension links, and reuse the original torque settings unless your setup calls for adjustment.
With a neutral service-oriented profile, these shafts suit routine hobby maintenance, corrosion-resistant durability upgrades, and small tuning adjustments to wheel position without changing suspension geometry.
For enthusiasts maintaining HPI Savage 21 vehicles, these titanium shafts deliver a rust-resistant alternative while keeping OEM-style fit and mounting function intact.
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