When your Sebo brushroll needs replacing, your Sebo will normally tell you. The 'check brushroll' light will remain on or flicker when the machine is being used. Applying downward pressure to the cleaner head will usually extinguish it. This tells you the bristles have worn and the onboard computer senses that there isn't enough resistance between the brushroll and the floor. If you have an old Sebo, it's never a bad idea to change the brushroll anyway as part of a service procedure. When a brushroll is worn or clogged up with hair, the machine will be less effective.
This is a replacement brushroll to fit all versions of the following Sebo models: