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Newsmarts 45 Steel Spur Gear, 12 Teeth 4mm Bore 1 Module Motor Metal Gear: Amazon.com: Industrial & Scientific
Amazon.com: Redcat Racing BS213-026 Spur Gear 55T (.8 Module) : Toys & Games
Spur Gear Made of Acetal Resin die-cast with hub Module 0.5 17 Teeth Tooth Width 3mm Outside Diameter 9.5mm: Amazon.com: Industrial & Scientific
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