Chain and Sprocket Set compatible for Yamaha YZ 250 05-19 chain RK GB 520 MXU 114 open GOLD 14/50

Chain and Sprocket Set compatible for Yamaha YZ 250 (2-Stroke) 05-19 (Type CG20C CG23C), RK GB 520 MXU open UW-ring chain RACING GOLD COLOR with rivet lock and 114 rolls, suitable for MX and motocross racing to 500 cc, lightest racing chai RK, tensile strength 4080 kg, rear Sprocket made from the best grade of C45 High carbon steel, front sprocket in high quality SCM415 chromoly steel alloy, ratio 14/50.
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