BMW: 06-12 F 650 GS (Twin 798cc sprocket bolt M10) K72 0218/0228 650cc; 06-12 F 650 GS (Twin 798cc sprocket bolt M8.5) K72 0218/0228 650cc; 2011 F 650 GS 30 Years GS (Twin 798cc sprocket bolt M10) K7