Specification AgeRangeDescription : Adult Brand : Hot Racing ExternallyAssignedProductIdentifier1 : 0840353333697 ExternallyAssignedProductIdentifier2 : 840353333697 ItemName : Hot Racing HRG4821 21t 48p Hard Anodized 7075 Pinion Gear ItemPackageDimensions_Height : 0.37 inches ItemPackageDimensions_Length : 3.5 inches ItemPackageDimensions_Width : 2.5 inches ItemPackageQuantity : 1 ItemTypeKeyword : rack-and-pinion-gears Manufacturer : Hot Racing ManufacturerMaximumAge : 110 ManufacturerMinimumAge : 14 Material : Plastic ModelName : HRG4821 NumberOfItems : 1 PartNumber : HRG4821 ProductDescription : This is a 21 tooth, 48 pitch Hard Anodized 7075 aluminum Racing pinion gear from Hot Racing. FEATURES: 7075 Aluminum Construction Short Shank CNC Precision Machined Stamped w/number of teeth for easy identification Beveled teeth edge YOU WILL RECEIVE: One pinion gear One pinion M3 set screw REQUIREMENTS: Allen wrench or ball driver for mounting. SPECIFICATIONS: Teeth count: 21 teeth Teeth pitch: 48 pitch Teeth width 5mm width: 9.7mm (0.38") Inner diameter: 3.175mm (.125") COMMENTS: Can be used in most applications where a 48pitch pinion recommended. Hard Anodizing or Hardcoat is an electrochemically produced grey layer of hard aluminum oxide on the surface of aluminum components. . ProductSiteLaunchDate : 2025-03-25T23:46:25.093Z TargetAudienceKeyword : Boys