- Works with all multi-speed bikes (including 12-speed) as well as some single-speed models and e-bikes - Cleans chain without the need to remove the chain - 3 brush heads power away dirt and grime - Absorbent sponge soaks up the degreaser as the chain exits the scrubber - Heavy duty plastic construction ensures years of performance - Sturdy handle and one-piece lid clamp make this chain scrubber easy to use