When bringing classic models back on track, the XRAY 389178 metal gear set is a reliable option. Tailored for the XRAY XMS01MG micro servo, it strengthens the drivetrain of older M series kits and helps maintain accurate control.
Compared with stock plastic gears, metal options stand up better to repeated stress and resist wear. This kit replaces the original #389170 gears and aims to give steadier steering feel and longer component life.
The package is intended to fit directly into XRAY XMS01MG micro servos used in the vintage M series. Basic mechanical skills are sufficient for fitting, but double check gear mesh and servo centring after install.
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