This rear sprocket is used on the Chinese 110cc-140cc engines.  This sprocket has 37 teeth and is compatible with the 420 chain ONLY.  

Sprocket details:

• 420 chain
• 37 teeth
• Center hole diameter: 76mm (2.99 in)
• Mounting hole diameter: 8.5mm (0.33 in)
• Mounting holes: 66mm (2.60 in) center to center (side by side)
• Mounting holes distance: 92mm (3.62 in) straight across
• Overall diameter: 153mm (6.02 in)
• 14076::0  140760  14076  103733

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

  Known to fit Tao Tao DB14, DB20 and DB24 dirt bikes.

  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!