50T Rear Chain Sprocket for 420 Chain Fits Mini Bikes Like CT100U CC100X RB100 B100 DB30 MMB80 MMB105 MBX10 Motovox and More Heavy Duty Steel Gear for Off Road Fun

50T Rear Sprocket for 420 Chain, Mini Bike Heavy Duty ✔️ 50T sprocket, 420 chain compatible, single pack, steel

This 50T rear chain sprocket fits 420 chain systems and is built for mini bikes and off-road fun. It’s designed to maximize torque while keeping smooth top-end speed. Compatible with CT100U, CC100X, RB100, B100, DB30, MMB80, MMB105, MBX10 and similar models.

✅ Compatible with CT100U, CC100X, RB100, B100, DB30, MMB80, MMB105, MBX10 and similar mini bikes
✅ 50T tooth profile matches 420 chain pitch for balanced torque and speed
✅ Carbon steel core with zinc plating for wear resistance and corrosion protection
✅ Center mounting hole size should be verified for proper fit

💡 What is a chain sprocket used for on mini bikes and why choose a 50T 420-chain option?

- Increases torque transfer and accelerates quickly on 420-chain drivetrains
- Balances torque and top speed for off-road use
- Constructed from carbon steel with zinc plating for longevity
- Check mounting hole size to ensure proper fit before purchase