Description:1. Simple Operation: When installing the press-in bottom bracket, adjust the position of the pressing block to the opposite side, hold it with both hands and slowly apply pressure, pay attention to whether the bottom bracket is tilted, and avoid crushing the bottom bracket during installation.2. The Front of the Pressure Block: The front is respectively corresponding to the inner hole size of the frame head tube or the headset. The assembly plays a role of guiding and positioning, not easy to be crooked, and protects the frame and the headset.3. The Reverse Side of the Pressure Block: The reverse side is used to assemble the press-in bottom bracket, and the sinking table is designed to avoid crushing the bearing during installation.4. Non-slip Handle: The aluminum alloy non-slip knurled handle makes the hand feel better.5. Lubricated Bearings: Labor-saving design, the bearings use lubricated balls, labor-saving operation, not easy to crumble.6. Threaded Rod: Lengthen the stainless steel threaded rod, suitable for most head tube lengths.7. Lightweight: 506g, high-strength, lightweight material.Specification:Material: aluminum alloy+stainless steelColor: blackSize(approx): 12*260*210mm/0.47*10.24*8.27inch(bottom dia*height*total width)Pressure block size(approx): 36*55*17mm/1.42*2.17*0.67inch (front diameter * back diameter * side height)Application: suitable for most bottom brackets/headsets cupPackage:1 pc * Headset cup press-in tool1 pc * Ball bearing2 pcs * Stainless steel ring gasketNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.