How to remove the cassette from a bike wheel?

To remove a cassette from a bike wheel, you will need a cassette removal tool, a chain whip, and a wrench. First, remove the wheel from the bike. Then, use the chain whip to hold the cassette in place while you use the cassette removal tool and wrench to loosen and remove the lockring. Once the lockring is off, you can slide the cassette off the freehub body.