At some point you might need to replace the rear sprockets on your bike. You might find you have what is called a Freewheel. These work differently than a more modern cassette. Let me show you how to remove and reinstall an freewheel.
How to Remove and Install a Bike Freewheel
https://youtu.be/_Mpi4m04NLg
Buy the tools you need here:
Freewheel tools:
- 12 spline https://amzn.to/3NDTrjP
- 2 notch https://amzn.to/38j6tmt.
- 4 notch https://amzn.to/3x1l7t2
Other useful bike tools
Crank Puller: https://amzn.to/3Ls9GhP
Park Tools Crank Puller: https://amzn.to/3Dy0yFS
8mm Allen Wrench: https://amzn.to/3qOdn9G
Park Tools 8mm Allen: https://amzn.to/3iLFMsK
17mm wrench: https://amzn.to/35op2oe
Mini Grease Gun: https://amzn.to/3wRrhfg
60nm max Torque Wrench: https://amzn.to/3uFMLce
25nm max Uniche Torque Wrench: https://amzn.to/3uEVVWk