How do you change bike forks?
Disassemble The Front End Remove the front brake and wheel. Loosen the pinch bolts on the side of the stem and remove the top bolt and cap. Pull the stem off the fork and slide the fork out of the head tube. Your headset will be in pieces; hold it together and carefully set it aside.
How do you remove a seized fork?
Remove topcap, stem and washers then gently tap the top of the steerer and the cone should pop loose. If it’s really badly stuck you can tap the steerer down, then back up and it’ll take the cone up with it freeing it. Once the cone is clear, the fork will drop out.