High quality solid roller chains, made with D.I.D precision and quality Non-sealed chains for the replacement of Original Equipment (OE) non-sealed roller chains Not suitable for high performance motorcycles Not to be used on motorcycles that have O-Ring or X-Ring chains as Original Equipment Fitments: 520NZ 250cc max 525NZ 400cc max 530NZ 750cc max Part description explanation: eg, 415S x 104 415 = chain pitch; S (or D or HD) = chain model; x 104 = number of chain links (bike/sprocket specific please check fitment charts or contact us) NB: 50 = 530 chain pitch *sample pics We recommend all bike parts are fitted and tested by qualified professionals. Fits: Honda CRF150F 2004-2005