Stainless steel chain adjuster with genuine shape.
Stainless steel nuts are also 0.5 inch (12 mm) / 0.4 inch (10 mm) on opposite sides of the original size.
Compatible genuine model numbers (adjuster unit).
R/L common 40543-KWB-600/40543-KZV-J00/40543-K88-L00 (hole diameter 12.5 mm))