Back Aluminum Alloy Wheel Rim For Motocross And Dirt Bikes V 1.6 https://www.jhrims.com/product/aluminum-alloy-rim-v/v1-60.html DOT FMVSS 120 compliance SNI 7279:2016 Indonesian national standard Advanced Manufacturing Technology • T6 Solution Heat Treatment: › 535°C solution treatment + 175°C artificial aging › Achieves 15-20% hardness enhancement (Rockwell B scale)