
Front Sprocket 420-12 Tooth - 50cc-125cc Engines
Engine Front Sprocket - 420-12T
This front sprocket is used on the Chinese 50cc-125cc engines. Â This sprocket has 12T and is compatible with the 420 chain ONLY. Â
Sprocket details:
- #420 chain used on atvs usually with a 7 inch rear wheel or smaller
- 12T
- Fits 17mm - shaft
- Uses retainer with bolts (not included)
- will NOT fit Kazuma ATVs (90cc and under use 428 chain)
Be sure to measure your chain or current sprocket before ordering. Â 420 chain has 1/2 inch pitch and 5/16 inch roller diameter. Â Most sprockets have the chain size and teeth count stamped into the metal.
Here is the link to the retainer with bolts:

Chinese ATV Front Sprocket Retainer with Bolts
Shipping details:
Do you need your sprocket fast? If you order before 3:00 pm CST, Monday thru Friday, your order goes out the same day.  Buy now!
Original: $9.95
-65%$9.95
$3.48Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Engine Front Sprocket - 420-12T
This front sprocket is used on the Chinese 50cc-125cc engines. Â This sprocket has 12T and is compatible with the 420 chain ONLY. Â
Sprocket details:
- #420 chain used on atvs usually with a 7 inch rear wheel or smaller
- 12T
- Fits 17mm - shaft
- Uses retainer with bolts (not included)
- will NOT fit Kazuma ATVs (90cc and under use 428 chain)
Be sure to measure your chain or current sprocket before ordering. Â 420 chain has 1/2 inch pitch and 5/16 inch roller diameter. Â Most sprockets have the chain size and teeth count stamped into the metal.
Here is the link to the retainer with bolts:

Chinese ATV Front Sprocket Retainer with Bolts
Shipping details:
Do you need your sprocket fast? If you order before 3:00 pm CST, Monday thru Friday, your order goes out the same day.  Buy now!





















