DID - High Quality Solid Roller Chain - MADE IN JAPANNon O-Ring standard chain.STANDARD NON O-RING CHAINS ARE NOT SUITABLE FOR HIGH PERFORMANCE MOTORCYCLESNB: if your motorcycle came with an original O-Ring or X-Ring chain, DO NOT replace it with a STANDARD NON O-RING CHAIN. You must replace it with a sealed chain of equal or greater strength.Model No.: 415, 420; 428; 520; 525; 530 Fits: Honda ATC110 1979-1985 ATC125M 1984-1985 TRX125 FOURTRAX 1987-1988 Suzuki DS80 1982-1997 1999-2003