StopTech replacement caliper piston, 30mm diameter and 29.5mm length, is specified to fit StopTech calipers ST-22, ST-60, and ST-65. Sold as a direct replacement piston for those caliper models, it restores the internal sealing and piston fit within the caliper assembly during rebuilds or repairs and matches the listed diameter and length for correct installation.
Stoptech Replacement Caliper Piston 30mm Diameter / 29.5mm Length (Fits ST-22 / ST-60 / ST-65)