AO Scooters 2017 Stealth 4 Kids Complete Stunt Scooter, BlackStealth IV Complete The Stealth 4 is a true pro scooter: It comes with 125 mm wheels, 5 wide deck (126 mm), forged aluminum fork and SCS clamp with Standard bars and 83 degree headtube angle. Most of AOs am and pro riders who tried 125 mm wheels vowed to never go back as the bigger wheels result in higher speeds, bigger airs and effortless riding. The extra foot space on the 5 wide deck makes it more comfortable and gives you more control on ledges