The new CM-5.3 Cyclone Chain Scrubber from Park Tool cleans your bicycle chain quickly, easily and effectively without the hassle and mess of removing the chain from the bike.Works with all multi-speed bikes (5, 6, 7, 8, 9, 10, 11, and 12-speed) as well as some single-speed models and e-bikesStrong magnet at the bottom of the fluid reservoir holds metallic particles scrubbed from the chainSpecial wicking sponge draws solvent from the chain as it exits, minimizing drips and messSturdy handle makes the Cyclone easy to use and controlHolds 2 fluid ounces (59ml) of solventThe Cyclone uses a large solvent reservoir, hundreds of rotating bristles, and a two-step cleaning process to get chains really clean, improve shifting performance, and extend the life of the chain and other expensive drivetrain parts. It works with all multi-speed bikes (5, 6, 7, 8, 9, 10, 11, and 12-speed) as well as some single-speed models and e-bikes.Strong magnet at the bottom of the fluid reservoir holds metallic particles scrubbed from the chain and a special wicking sponge draws solvent from the chain as it exits, minimizing drips and mess. The sturdy handle makes the Cyclone easy to use and control.