Alcon trailing right brake caliper specified with AL pistons, 16 mm pad capacity, and a 180 mm mounting center is intended as the trailing right unit for compatible brake systems. It is supplied to match the listed piston size and mounting geometry for use where that trailing-side caliper specification is required.
Alcon Trailing Right Caliper, 038.1/041.3 AL Pistons, 16mm Pads, 180mm Mounting Center