This is a Hot Racing 52T Mod 1 Steel Spur Gear for E-Revo 2, X-Maxx, and XO-1. This spur gear is made of steel for strength and durability, and is a direct replacement for the stock plastic spur gear. This spur gear has been precision machined to tolerances that are much closer than the stock spur gear, resulting in smoOther and more efficient power transfer.
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