



JT SPROCKETS Standard Steel Sprocket 563 - 420 (Manufacturer part number: JTF563.11) — a replacement sprocket designed for the final drives of small displacement bikes, quads, and off-road machines. Made from steel according to SMC420 specifications, it meets the durability requirements necessary for urban use, motocross, or on quads.
Compact and lightweight, this JT Sprockets sprocket installs on 420 transmissions without major modifications. The CNC machining ensures a tooth profile that adheres to standards, minimizing chain snagging and premature wear when mounted and adjusted correctly. Ideal for original replacement or for adjusting the gearing on 50cc vehicles or small engines.
Compatibility examples: