This is an aluminum washer designed specifically for 25mm spindles. It serves as a cup spacer at the end of the spindle shaft, offering reliable support and smooth operation.

To use this washer, simply place it at the end of the 25mm spindle shaft. Make sure it fits snugly. When handling, avoid dropping it to prevent dents or scratches. For maintenance, clean it regularly with a dry cloth to keep it in good condition. If you notice any signs of wear, it's recommended to replace it in time.