Headset Cup Press Tool, Bike Headset BB Bottom Bracket Press Installation Tool for Mountain Bike Headset Press‑in Bike Headset BB Bottom Bracket Press Installation Tool Upgrade Headset Cup Press Tool Press‑In Installation Tools MORE THOROUGH Aluminum alloy knurled handle Double sided plane thrust bearing flat thrust bearing High-quality material All aluminum alloy CNC detachable handle, anodized surface, high gloss, light weight. CNC exquisite turning design, aluminum alloy joint, fine thread. Easy to use When installing the press-in bottom bracket, adjust the position of the press-in device, flat thrust bearing, labor-saving design, the bearing uses lubricating ball, not easy to bend, hold it with both hands and slowly apply pressure to install. Exquisite workmanship CNC knurled design, high strength, non-slip, flat thrust, wide range of use, and strong versatility. Stainless steel screw, fine pitch and high strength. Suitable for most head tube lengths, aluminum alloy upper/lower pressure blocks. 2 x Accessories High-quality repair parts: Pressure block design, the back is used to assemble the press-in bottom bracket, and the sinking table is designed to reduce the pressure on the bearing during installation. Please pay attention to use the adjustable wrench to gradually tilt the earphones Hold the handle with both hands and slowly press to install. Pay attention to whether the bowl group or the central shaft is inclined. Cooperate with the adjustable wrench to operate step by step. It is recommended to install only one side at a time reverse side： The reverse side is used to assemble the press in type middle shaft, with the design of the sink table pressing empty, so as to avoid crushing the bearing during installation front side： The front side is respectively corresponding to the inner hole size of the frame head pipe or wrist group, which plays a guiding and positioning role in assembly, and it is not easy to press and skew, so as to protect the frame and wrist group Specification Condition 100% brand new Item Type BB bottom bracket installation tool Material Aluminum alloy+304 stainless steel Color As pictures shown Size Approx.26.8cm / 10.6in Total Length of the Screw Rod Approx.24.5cm / 9.6in Diameter Approx.12mm / 0.5in