The “schmutzfink” from riesel design is a mudguard for the saddle, which is designed for children’s bicycles. The cut outs in the mudguard are special to fit smaller saddle rails. On Kids saddles rails are closer together in the end. The function of the “schmutzfink” corresponds to the mudguard “ritze L”. Four fixing points ensure a secure and firm grip on the saddle. The assembly is free of tools. The “schmutzfink” is designed as a splash guard to protect the backside against dirt, mud and water under adverse conditions.