HJC Rpha 12 Cheek Pads Replacement cheek pads for HJC Rpha 12 helmets. OEM Sizing: XS: 30mm SM: 30mm MD: 30mm LG: 25mm XL: 30mm 2Xl: 25mm Alternate Sizing: XS: 25mm (looser fit) / 35mm (tighter fit) SM: 25mm (looser fit) / 35mm (tighter fit) MD: 35mm (tighter fit) XL: 35mm (tighter fit)