AO is a brand that is based in sunny southern california. AO in conjuntion with Titen Bearings and Raptor Hardware, put out really awesome mid to high end complete scooters. These scooters are aimed to give riders a great start at riding and advance their skills on a scooter that's safe and durable. AO's most know freestyle scooter is the Delta Complete. With 2 versions available, the Delta is set up to fit almost every size rider and style of riding.