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The StopTech replacement piston is a 28mm piston intended for STR‑22 Trophy Race calipers. It serves as a direct replacement component for rebuilding or servicing the specified StopTech caliper model, restoring the caliper’s internal moving component to factory sizing. The listing identifies the piston diameter and the caliper series for proper fitment during brake system maintenance or repair.
StopTech Replacement Piston 28mm for STR-22 Trophy Race Calipers
