High Quality Chromoly steel.:
Made in USA:
361- ATC-200X 86-87, TR-200 86-88, TRX-250X 87-1992, TRX-300EX 93-2009. 520 Chain. Available in 11 through 15 tooth. Note: When the tooth size is smaller then the stock size, a circlip will be supplied to hold the sprockets on the shaft. Affected tooth sizes for this part is 11 tooth.