After a muddy bike ride, you can easily clean your bike with the Karcher OC 3 Bike Box. This extension set for the Karcher OC 3 contains a universal brush and cleaning agent. The universal brush fits on the high pressure gun, so that you can easily remove stubborn dirt. With the detergent you can easily remove stubborn dirt that remains on your bike. After use, simply attach the Bike Box under the OC 3 cleaner, so that you can easily transport it.