This is an AL piston for the OTK brake pump. It measures 13 - 8 mm, ensuring reliable braking performance.

To use this piston, first make sure your brake pump is clean. Then carefully insert the piston into the brake pump. When installing, be gentle to avoid damaging the piston. During normal use, check the brake system regularly for any signs of leakage or abnormal wear. If you notice any issues, replace the piston promptly. To maintain the piston, keep it clean and dry. Avoid exposing it to harsh chemicals or extreme temperatures, as this can affect its performance.