Product Info 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 Special wicking sponge draws solvent from the chain as it exits, minimizing drips and mess Sturdy handle makes it easy to use and control Holds 2 fluid ounces (59ml) of solvent