The flange shield or rim protector is a rubber bead on the outside edge of the tyre to protect the wheel/rim from being damaged from hitting the kerb.

Different manufacturers use different codes, but most will use one of the following:




  • FSL: Flange Shield


  • FP: Fringe Protector


  • MFS: Max Flange Shield


  • RPB: Rim Protector Bar


  • FR: Tyre Rib