Beefed Up Mini Bike Sprocket 40T 420 Chain Sprocket With 40mm Bore For 40/41 Tooth Sprockets Fits Popular Mini Bike Models Like TrailMaster MB200 MB165 Predator Massimo BT200X CT200U And More Replacement Gear

40T 420 Mini Bike Sprocket with 40mm Bore for Popular Models
✔️ Fits Coleman, Massimo, TrailMaster bikes with 40mm bore

This 40T 420 mini bike sprocket is a strong gear that fits 40/41/420 chain setups and a 40 mm bore. It's commonly used to upgrade power transfer on popular mini bike models such as TrailMaster MB200 MB165, Coleman BT200X CT200U, Massimo MB200, and Predator variants. Ideal for replacing worn sprockets and restoring peak drive efficiency.

✅ 40T tooth count for 420 chain drive
✅ Center bore 40 mm (1-9/16 in) and mounting holes 80 mm apart
✅ Overall diameter 165 mm (6-1/2 in)
✅ Includes 1 sprocket, 4 screws, 4 nuts, 4 chain master links
✅ Made from precision machined metal alloy with a black anodized finish for rust resistance

💡 What is a mini bike sprocket used for and why pick a 40T 420 model?

This handy part translates engine power to the chain drive for rear wheel motion on small bikes.

• 40T 420 chain sprocket upgrade for small bikes
• 40 mm bore with 80 mm center mounting holes for easy install
• Compatible with popular models like TrailMaster MB200 MB165 Massimo MB200 Coleman CT200U CT200U-EX