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0.4 Module spur gear features finer teeth than standard kit-included 0.6 module gear, allowing minute ratio adjustment to improve acceleration and efficiency. Gear contains molybdenum for reduced friction resistance. *Compatible chassis: Mesh with #53101 to #53101 (0.4 pinion gear) to use with F103 and C Car chassis

04 MODULE SPUR GEAR 93/104T (F103GT) #53900

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