Originally Posted by
DaveSSS
If you'd read the info at the links I provided, you would see that a standard 1-1/8 inch (28.6mm) steering tube has a 30mm diameter crown race ID. All forks have an enlarged diameter at the bottom of the steering tube, where the crown race presses onto the tube. There is nothing that needs to be removed from the old fork, other than the black crown race, shown in your picture.
All you need is a fork with a standard 1-1/8 inch steering tube.