428 REAR ALUMINUM SPROCKET 45 TOOTH 45T CHINESE PIT DIRT BIKE HONDA CONDITION: Brand New Color: BLACK Made specially for racing bikes. These top level rear sprockets that target the following features: FEATURES: 7075-T6 Aluminum Hard Anodized in BLACK for increased durability 45 tooth This sprocket should fit most Chinese made pit bikes. Please check pictures for measurement and bolt patterns to make sure it fits yours !