●【Premium Material】-- Made from durable polyurethane material, designed to provide good grip and speed in all hardnesses and has excellent durability. ●【Size & Diameter】-- 62mm in diameter, 42mm in width, bigger surface provide good grip and stable roll, equipped with ABEC 11-608 bearings and spacer, Bearings and spacers are already installed on the wheel. ●【85A Hardness for Outdoor/indoor Performance】-- With 85A hardness, providing balance of grip and softness, great to skate on outdoor surface or slick court. ●【Package Included】-- Pack of 8 wheels replacements and installation tool ●【Color Option】-- Come with 5 different core color to match any set of skate