LOW COST FREIGHT !!!!  and immediate delivery.
 
Front Sprocket K070-039, 11 Tooth 420 pitch to suit a 17mm output shaft. This sprocket is retained with a circlip or nut. Fits most Japanese and Chinese Dirt Bikes, ATVs and Buggies. Very universal.
 
Thanks from Supercheap Motorcycle Parts (Australia). Australian owned, with 100% replacement warranty and good old fashioned  service and advice if you ever need it, please spread the word.