How-To: Stuck Mountain Bike Splined Freehub Removal
Getting your old free hub off is not as easy as other videos make it look. Scoring and and O-Ring/groove may be keeping your hub from simply sliding off. This How-To video shows a trick using parts of your cassette to pop off the free hub without using damaging tools.
Shown is a SRAM Eagle NX cassette and a Bontrager Rapid Drive splined hub.