Star nut driver for inserting the star-fangled nut found on 22.2, 25.4, 28.6 mm threadless headset system.


  • Upgraded design for easier operation and long handle.
  • Just slide the outer sleeve over the steerer tube, drop the star nut in, align it with the steerer tube with the alignment pin part and then give it a tap with a rubber hammer and you’re done.
  • It is a great portable tool for bike repair tool.
  • Precision control makes the star nut inserted accurate.

Package Includes:

1 × Bike Star Nut Install Tool