The GPM SKXS056T 56T steel spur gear is a direct upgrade for the Thunder Tiger Kaiser XS, swapping out the stock plastic gear for a tougher steel alternative. It is aimed at hobbyists who want fewer gear failures and steadier drivetrain feel.
Compared to plastic counterparts, this steel spur stands up better to heat and continuous stress. Its robust profile helps retain proper mesh and reduces replacement frequency during regular use.
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