1. Easy to use: The headset installer features a laborsaving design, making it simple to use. Just adjust the position of the pressin device, utilize the flat thrust bearing during installation, and apply slow, even pressure with both hands. The lubricated ball bearing ensures smooth operation and resists bending. 2. Laboursaving design: This bicycle headset pressin tool incorporates a flat thrust bearing and a laborsaving mechanism. The lubricated ball bearing prevents bending. Hold it firmly with both hands and apply gradual pressure during installation. Ensure the headset is aligned step by step using an adjustable wrench. It's recommended to install one side at a time. 3. Performance: Stainless steel screw rod with precise, tight threading for strength. Compatible with most head tube lengths. Upper/lower pressure blocks are crafted from aluminum alloy. CNC knurling design enhances grip and durability. Features flat thrust, wide applicability, and strong versatility. 4. Ensure proper fit by entering your model number.