520 Chain 14 Teeth Motorcycle Front Sprocket Pinion For RC 125 200RC 200Duke Engine Parts 14 teeth 520 pitch fits RC125 Duke 125RC 200RC 200Duke output shaft spline mounting size direct bolt on installation no grinding or needed for fast transmission cut tooth profile delivers smooth chain meshing reduces friction noise power loss hardness treated wear deformation under speed riding strict dimensional tolerance ensures tight stable fit avoids sprocket looseness premature chain damage