Street Maven Roller SkatesClick here to see GH Standard boots sizing guide Click here to see GH semi custom boots sizing guide Street Maven: for basic level Performance: Single jump Support rate: 35 big high rebound gold solid wheels (63mm): 80 83A small high rebound gold solid wheels (58mm): 80 83A The ultra light outsoles and heels make the boots lighter so that moves and actions can be more easily achieved, also make the outlook of this model more colorful and beautiful.