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Hot Racing precision-engineered nylon pinion gear designed for SCX24 scale crawlers. The 8-tooth, 0.5 mod profile delivers smooth meshing and reliable power transfer when paired with the Hot Racing SXTF328M05 0.5M spur gear conversion kit. CNC-machined for consistent tooth geometry and durability in demanding terrain. Essential upgrade for builders optimizing drivetrain performance and longevity in competitive or recreational crawling applications.