Thrust ball bearing body built-in thrust ball bearing tension smooth and easy to pull out bearing According to the measured bearing diameter, select the appropriate expansion plug. Use a 12mm open end wrench or adjustable wrench to rotate the expansion plug counterclockwise to secure the main body. Install the Perrin removal tools in, as shown in the figure. Hold the screw with one hand and, using a 4mm hex wrench with the other hand, turn the internal thimble clockwise until the expansion plug completes expansion. Clamp the sleeve in the corresponding position as shown in the figure, and slowly turn the upper handle counterclockwise until the bearing is completely pulled out. Use a 4mm hex wrench to turn the internal thimble counterclockwise to completely shrink the expansion plug and remove the bearing from the tool. Special latch chuck, can disassemble flower drum pulley; Built-in thrust ball bearing, smooth pull out bearing; For inner diameter is 6,7,8,9,10,12,15,16,17,19,20 mm's flower drum sound bearing, as well as the inner diameter of 14-39 mm bearing outer ring. product name:bike bearing remove tool size : 150x130MM Colour:silver Material:Steel The actual product may have slight color difference or difference, which not affect the use Package Contents: 1 * Bicycle Hub Bearing Removal Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.