WM 1.6 Motorcycle Dirt Bike Aluminum Rims https://www.jhrims.com/product/aluminum-alloy-rim-wm/wm1-60.html JSCM High-Performance Dirt Bike Rims-WM1.6 Technical Specifications & Features: 1. Advanced Material Engineering • AL#6063: Optimized lightweight design (density 2.69g/cm³) for endurance racing • AL#7116: Balanced fatigue resistance (stress endurance limit 160MPa) for all-terrain versatility