Features1Steel Material: Crafted with steel materials, this 18T 420 three hole 29mm chain sprocket is built to last, providing exceptional durability and resistance to oil and wear. 2Durable Design: The craftsmanship of this chain sprocket ensures enhanced performance, preventing rust and deformation even in challenging weather conditions, making it ideal for long term use. 3Wide Compatibility: Designed for 420 chains, this chain sprocket is compatible with a variety of electric four wheel ATVs and bicycles, offering versatility and convenience for different rides. 4Stable and Reliable Performance: The accurate gear design of this chain sprocket ensures stable and reliable operation, minimizing friction and maximizing efficiency for a seamless riding experience. 5Easy Installation: Featuring a user friendly three hole design, this chain sprocket can be easily installed on most bikes and ATVs, saving you time and effort during the setup process.SpecificationItem Type: Rear sprocketMaterial: SteelWeight: Approx. 141g / 5ozTeeth: 18TInner Diameter: 29mm / 1.1inPackage List1 x Chain Sprocket