This rear sprocket is used on the Chinese 50cc-125cc engines.  This sprocket has 41T and is compatible with the 420 chain ONLY.  

Sprocket details:

• #420 chain used on ATVs usually with a 7 inch rear wheel or smaller
• 41 Teeth
• Center hole diameter: 57.5mm (2.26 in)
• Mounting holes distance: 64mm (2.52 in) center to center side-by-side
• Overall diameter: 173mm (6.813 in)
• will NOT fit Kazuma ATVs (90cc and under use 428 chain)

• Be sure to measure your chain or current sprocket before ordering.  420 chain has 1 2 inch pitch and 5 16 inch roller diameter.

  Shipping details:

  Do you need your rear sprocket fast?  If you order before 3:00 pm CST, Monday thru Friday, your order goes out the same day.   Buy now!