How can I remove the rear sprocket from a bicycle wheel?

To remove the rear sprocket from a bicycle wheel, you will need a chain whip tool and a cassette lockring tool. First, remove the wheel from the bike. Then, use the chain whip tool to hold the sprocket in place while using the cassette lockring tool to unscrew the lockring that holds the sprocket in place. Once the lockring is removed, the sprocket can be taken off the wheel.