Description:Teeth: 19t Description Import Product Description: Teeth: 19t : 24t Chain: 428 Chain Inlet Hole Diameter: about 20mm / 0.78″ Fitment: for 428 Chain Gy6 150cc Quad Bike ATV Go Kart Dune BuggyPackage Includes: Sprocket 1 Piece Cog Front Chain Note: 1. We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one you need. 2. Please allow 0.5-1 inch difference due to manual measurement .(1 inch = 2.54 cm) 3. Instruction is not included. Due to the difference between monitors, the picture may not reflect the actual color of the item. Please understand, thank you.Front Sprocket 428 Chain 19 Teeth19 Teeth 428 Front Chain Sprocket Sprocket Rear Sprocket 19T for 428 ChainImport Product No invoice available FeaturesImport Product : Teeth: 19t : 24t Chain: 428 Chain Inlet Hole Diameter