Chain and Sprocket Set compatible for Aprilia RS4 50 12-16 chain RK 420 SB 132 open 11/53

Chain and Sprocket Set compatible for Aprilia RS 4 50 12-16 ( Type TK 000 ), RK 420 SB chain with clip-lock and 132 rolls, suitable for road bikes to 80cc, Tensile strength 1 900 kg, rear Sprocket made from the best grade of C45 High carbon steel, front sprocket in high quality SCM415 chromoly steel alloy, ratio 11/53.
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  • Currently out of stock