Bicycle Front Fork Headset Expansion Sunflower Core Screw(28.6MM)

Bicycle Front Fork Headset Expansion Sunflower Core Screw is a component designed for securing the front fork of a bicycle. It is compatible with 28.6mm front fork diameters and features a three-petal diamond anti-drop pawl for enhanced stability.

• Product type: Screws
• Compatibility: 28.6mm front fork
• Material: Aluminum alloy
• Key feature: Three-petal diamond anti-drop pawl
• Intended use: Everyday use
• Process: CNC, anode
• Application: Suitable for 28.6mm outer diameter steel, aluminum, titanium, and full carbon fiber front forks
• Installation: Simple installation with an 8mm hexagon wrench, no socket tool required
• Weight: 18.9g
• Size: 25x22x22mm
• Expansion range: 21.5-25.4mm
• Installation instructions:
  1. Slightly tighten the screw by hand to expand the lower end slightly.
  2. Insert the lower end into the front fork and adjust the upper end to the appropriate size.
  3. Adjust depth to about 1cm lower than the upper end of the front fork.
  4. Tighten clockwise with an 8mm hexagon wrench to about 6-8N.M.
  5. Install the front fork washer and stem, ensuring the edge of the stem is slightly higher than the sunflower by about 1-2cm.