DIYMINIBIKES

Chinese ATV Front Sprocket Retainer C-clip for use with 12T Sprockets
Most front sprockets require the use of a retainer with bolts to secure the front sprocket to the ATV. However, a few of the smaller ATV’s do have a 12T sprocket that use a “c-clip” to hold it. Most are the 50cc-90cc ATV’s.
Clip Details (measurements are rounded to the nears mm):
ID of clip: 18mm
OD of clip: 22mm
Works with 12T sprockets without holes
Some ATVs require the 2-bolt retainer to hold sprocket in place.