A rim flange protector is to help guard wheels from accidental curb damage. An enhanced rim lock process featuring a constant gauge chafer with a larger bead wire and a new anti-slip contour. There are two cap plies for strength and longer lasting performance. Larger steel belt wire is to help footprint stability and impact resistance. Optimized micro grooves combined with revolutionary new synthesized tread rubber formulas and the PermaBlack compound additive is to maintain the "like-new" appearance.