Rear chain sprocket 

Fit chain :530 chain

Tooth:32 Tooth 

ID: 37mm 

OD: 170mm 

Bolt Hole : 6 holes 55mm Spacing 

Front sprocket：13 tooth  530 Pitch 24 Splines 

Fitment : for GY6 engine ATV Quad , buggy， go kart , big Bull ,Taotao

Package Include :1x 530-32T rear chain sprocket W/ bolts +1x 530 chain +1x front sprocket