1. Double-sided plane thrust bearing, installation labor saving. During the installation process, hold the handle with both hands and apply pressure slowly. Please pay attention to observe whether the earphone or bottom bracket is tilted and matched with the matching wrench or adjustable wrench. It is recommended that you install only one side at a time
2. Aluminum alloy knurled handle, double-sided plane thrust bearing
3. Aluminum alloy upper/lower pressing block. New aluminum alloy material, CNC fine turning electroplating treatment, surface anodizing
4. Pressure block design, the back side is used to assemble the press-in bottom bracket, the design of the sinking table avoids crushing the bearing during the installation process
5. Time-saving and labor-saving, the bearing adopts lubricating ball, labor-saving operation, not easy to squeeze.