🔧 Park Tool CM-25: Advanced Chain Scrubber Tool for Professional Use Review

I've also used the plastic version of this device (CM-5.2). Neither is reliable or perfectly clean to work with, but the metal (CM-25) is generally a little easier to work with and isn't as affected by chain movement through the device. With a slightly stronger handle mount, the CM-25 is also easier to set up and exit without worrying about tipping over. This device appears to perform slightly better than its cheaper plastic version. Poorly lubricated/lubricated chains may require a few more…

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…

This was purchased for a bike co-op that has many users for general maintenance including chain cleaning among many other things. We have a couple of Park Tool plastic chain cleaners (both cm5 and cm5.2) and found them to be a little less reliable than we would like. This is a relatively new offering and after seeing it pop up in a few places I thought we should have one and I definitely wanted to take advantage of it myself. As expected, the tool is made of very durable metal and I have no…

I frequently service a wide range of bikes, ride 4-5 days a week and have been wrench pulling on bikes for over 40 years. Years. The Park Tool name has been synonymous with quality and sometimes ingenious bike tools throughout my career. This chain cleaner is well built, but also goofy. Why is it stupid? First, this cleaner can be a real mess if overfilled, knocked over, or held at an angle. Inside, Park has two small super soft sponges that are completely useless and keep crawling out. I…