Razor Phase Two Dirt Scoot Diamond Edition Pro Scooter, Silver This newest edition features the very latest technological and design advances in dirt scooters Designed, developed and tested by Team Razor Pro Rider John Radtke Built for pro riders who are looking for a nice, sleek style scooter, perfect for the dirt Features flex brake cartridge system, reinforced aluminum core wheels, BMX style 4130 CroMoly fork, and V2 Riser-style 4130 CroMoly handlebars High pressure pneumatic 100psi high thread count, all terrain tires for dirt or smooth surface