The system is a novelty in the market! Central component is a multi-functional mudguard, which different system components are docked to. Common plastic mudguards are often misused as a step: dangerous! They don´t stand a human weight. With the risk of deformation of the mudguard and slipping on the smooth surface. With the additive, solid system components "tread", climbing aid" and "branding area" AL-KO creates a plus on safety and comfort. Style elements such as spanned surfaces and distinctive chamfers characterize the dynamic new AL-KO product line.