13 tooth front sprocket, 36 tooth rear sprocket, 520-76L gold O-ring chain All race drive sprockets meet or exceed OEM specifications and are made from hardened S45C steel. Please note that we cannot accept other shipping companies or shipping methods. *This item will be shipped from within Japan. Please consider and place your order after agreeing to the details such as price, shipping method, etc. Thank you for your support. DELKEVIC JAPAN
