Chain and Sprocket Set compatible for Yamaha YZ 250 F 4T 14-20 chain RK GB 520 MXU 114 open GOLD 13/50

Chain and Sprocket Set compatible for Yamaha YZ 250 F ( 4 Stroke ) 14-20 ( Type CG33C CG39C CG40C ), RK GB 520 MXU open UW-ring RACING chain in GOLDEN with rivet lock and 114 rolls, suitable for MX and Motocross races 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 13/50.
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