What tools do I need to remove a bike cassette?
The lockring is designed to hold the cogs of the cassette in place on the hub. In order to remove and replace your cassette, you need to unscrew this lockring. You’ll need three tools to do this: a chain whip, a cassette lockring remover and a large adjustable crescent wrench.
Do you need a chain whip to fit a cassette?
Grease threads of lockring and thread lockring into freehub. Install cassette lockring tool and install quick-release skewer. For installing lockring, use of the sprocket chain whip tool is not required.
What type of cassette do I have?
To determine if a sprocket is a freewheel or cassette system, remove the rear wheel from the bike. Find the tool fitting on the sprocket set. Spin the sprockets backwards. If the fittings spin with the cogs, it is a cassette system with a freehub.