Review on 🔧 Park Tool CM-25: Advanced Chain Scrubber Tool for Professional Use by Corey Moulton

Supplied in multiple pieces for quick and easy assembly (hex key included). This is a piece of metal so it should last for years even if used in a shop environment. It cleans the chain fairly well, although it doesn't remove all of the dirt from the exposed parts of the links. Be aware that it will splash under the chain, so take proper precautions to avoid staining the floor or the surrounding area. It also doesn't clean the front or rear cogs (it's a chain cleaner) or derailleur, so you'll have to clean them by hand. However, it makes cleaning the chain easier. Instead of buying Park's chain cleaning solution, you can use a water and detergent solution (Dawn works great) and save a lot of money.