Go Kart And Mini Bike Sprocket Hub With Three Quarter Inch Bore And Three Sixteenth Inch Keyway For Sprockets And Drums, Fits Four Inch And Four And A Half Inch Brake Drums Or Rear Axle Sprockets

Single Sprocket Hub with 3/4 Bore for Go-Karts & Mini Bikes
✔️ 3/4 in bore, 3/16 in keyway; fits 4 in and 4.5 in drums

Go-karts and mini bikes rely on sturdy sprocket hubs to connect rear wheels to drive drums and sprockets. This hub is designed for 4 in and 4.5 in brake drums or rear axle sprockets, making it a solid upgrade for small-vehicle builds.

✅ 3/4 in bore with 3/16 in keyway for secure drive
✅ Fits 4 in and 4.5 in brake drums or rear axle sprockets
✅ Silver finish for corrosion resistance and durable performance
✅ Engineered for precise alignment with standard shafts
✅ Ready-to-use hub unit with simple mounting

💡 What is a sprocket hub with a 3/4 bore used for in go-karts and mini bikes? This handy hub connects sprockets to rear axles and drum mounts for small vehicles. - Handy for quick repairs on go-karts and mini bikes - Ideal for custom drive trains and upgrades - Compatible with 4 in and 4.5 in drums and rear sprockets - Easy to install on standard shafts