Chain and Sprocket Set compatible for Yamaha WR 450 F 07-09 chain RK GB 520 EXW 114 open GOLD 13/50

Chain and Sprocket Set compatible for Yamaha WR 450 F 07-09 (Type CJ12W CJ13W), RK GB 520 EXW open XW ring chain in GOLDEN with rivet lock and 114 rolls, suitable for motocross racing to 750 cc, tensile strength 3 500 kg, rear Sprocket made from the best grade of C45 High carbon steel, front sprocket in high quality SCM415 chromoly steel alloy, ratio 13/50.
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