Go Kart Sprocket Hub With One Inch Bore And Quarter Inch Keyway Hardware Kit For Fits 40 41 420 Chain Beefy Rear Drive Sprocket For Predator 212cc 196cc Six Point Five HP Mini Bike Go Kart Drift Trike And Dune Buggy
✔️ 4 inch sprocket hub, 1 inch bore, 60T for 40/41/420 chain
These sprocket hub kits are designed for go-karts, mini bikes, drift trikes, and dune buggies that use a 1 inch live axle and common chain sizes. The kit includes hub, a 60-tooth sprocket, 1/4 inch keyway, and mounting hardware for a ready-to-install upgrade.
✅ Outer diameter: 4 inches
✅ Bore diameter: 1 inch
✅ Length: 3/4 inch
✅ Axle keyway: 1/4 inch
✅ Teeth: 60
✅ Chain compatibility: #40/41/420
✅ Center-to-center bolt circle: 3.54 inches (90 mm)
✅ Center bore diameter: 2.13 inches (54 mm)
✅ Overall diameter: 9.76 inches (248 mm)
✅ Mounting hole diameter: 0.39 inch x 8
✅ Thickness: 0.236 inch (6 mm)
✅ Packing contents: 1 x Sprocket Hub, 1 x 60T Sprocket, 1 x 1/4 inch Keyway, 4 x Screws, 4 x Nuts
💡 What is a sprocket hub with a 1 inch bore used for in go-karts and mini bikes?
- 1 inch bore matches common live axles for quick compatibility
- 60 tooth rear sprocket pairs with #40/41/420 chain for strong drive
- Includes 1/4 inch keyway and mounting hardware for fast install
- Helps optimize power transfer and chain alignment on small chassis