RK Chain Link 520 XSO Blue Rivet Connecting Link Kawasaki_Z400 D1-D4 (2 Cyl) (74-79)_1977 J - USA 2015-2018 Yamaha

J - USA 2015-2018 Yamaha YZ250 K (5DJ) - USA 1998 Yamaha YZ250 K (5DJ) 1998 Yamaha YZ250 L

J 1981-1982 Yamaha IT490 K

E 1977-1978 Yamaha YZ250 G 1980

B9F) 2007-2009 Kawasaki Z1000 (ZR1000 C7F

RK Chain Link 520 XSO Blue Rivet Connecting Link Kawasaki_Z400 D1-D4 (2 Cyl) (74-79)_1977 J - USA 2015-2018 YamahaRK currently has FIVE types of sealed ring chains. Each has its own features and benefits. O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings. After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance. As racing expanded into several different genres, RK also added the ultra thin U Ring and UW Ring sealed