The Gardena Cleansystem allows you to simply "click" and connect to your garden hose for excellent outdoor cleaning results. It is ideal for dealing with your outdoor cleaning tasks.As a Cleansystem accessory, the Gardena Sponge is a useful spare part for a bicycle brush that is used regularly. The replaceable sponge for the bicycle brush Good news for all those who regularly wash dust and dirt from bikes, racing bikes, bike trailers, etc. with the Gardena Cleansystem Bicycle Brush (Art. 18848, 18864 and 18865): the sponge can be easily replaced if required. The soft sponge is used for particularly gentle cleaning of delicate parts on the bicycle, such as the wheel spokes. To always achieve the best cleaning results, we recommend replacing the sponge when it gets worn. Simple replacement thanks to easy installation The replacement sponge can be inserted in just a few simple steps and without any tools. Simply slide the sponge off the Gardena bicycle brush and insert the new sponge into the holder in the brush head. This replacement part makes the bicycle brush as good as new again.