Alcon 0.625" Tandem Master Cylinder: M10x1.25 vs M10x1.5 Thread Ends
Both cylinders are identical where it counts for performance: same 0.625" forged body, same 230mm mounting centres, same 12mm stroke per circuit. The only difference is the outlet port thread pitch. Choose the M10x1.25 (MAR7200KM230C) if your build runs Japanese-platform...