Keeping your chain clean is an essential part of good bike maintenance. The CM-5.2 Cyclone Chain Scrubber uses an extra large solvent reservoir and a series of rotating brushes to get chains really clean.Magnet at bottom of solvent reservoir draws particles scrubbed from chain, effectively keeping them from being redistributed on the chain during cleaningDurable sponge material draws solvent from the chain as it exits the Cyclone, reducing drips and messWorks with all multi-speed bikes and some single-speed modelsHolds 2 fluid ounces of solventCM-5.2 features strong locking clips and a more ergonomic handle