PARK TOOL CM-5. 3 CYCLONE CHAIN SCRUBBERRIDING THROUGH THE STORMY WEATHERIt cleans your drivetrain like a cyclone, and it makes you wanna do it all night long. Cleaning hard makes all that dirt downright gone, because it cleans your drivetrain like a cyclone, just like a cyclone. Having a clean chain will lead to improved shifting performance and extended chain life. There are several ways to clean your chain, but one of the best ways is to get a chain scrubber. The Park Tool CM-5. 3 Cyclone Chain Scrubber cleans bicycle chains quickly, easily, and effectively. The Cyclone features a large solvent reservoir, hundreds of rotating bristles, and a two-step cleaning process to get chains clean. Features Works with all multi-speed bikes as well as some single-speed models and e-bikes Strong magnet at the bottom of the reservoir holds metallic particles scrubbed from the chain Special wicking sponge draws solvent from the chain and minimizes drips Manufacturer's part number: CM-5. 3UPC: 763477001948 | Park Tool | Cm-5. 3 Cyclone Chain Scrubber Cm-5. 3