40T 40mm 420 Chain Mini Bike Sprocket Replacement Kit Includes 90 Link Chain And 42 Link Section For Predator 212cc Coleman BT200X CT200U EX CT200U MB165 MB200 Doodlebug DB30 And Go Kart Ready

40T 420 Chain Sprocket Kit for Predator Mini Bikes
✔️ Includes 90-link chain, 40T sprocket, 42-link section, hardware

Upgrade kit built for 420 chain systems on mini bikes and go karts. This 40T sprocket set fits Predator 212cc and compatible Coleman BT200X, CT200U, MB165, MB200 models, and similar 420 chain machines. It delivers stronger acceleration, improved torque, and longer chain life with precision teeth.

✅ 40 tooth 420 chain sprocket with six mounting holes for multiple frames
✅ Six-hole pattern centers: 49 mm (1.93 in) and 80 mm (3.15 in)
✅ Stronger torque and acceleration on 420 chain setups
✅ Includes 90-link chain, 42-link section, screws, nuts, and a chain breaker

💡 What is a 40T 420 chain sprocket kit used for on mini bikes and go karts?

It's a handy upgrade to boost drive power on 420 chain systems.

- handy upgrade for 420 chain drive on small bikes
- improves torque transfer and acceleration on 420 setups
- supports smoother power transmission with precision teeth