21" High x 20" Wide, Outside diameter of the bottom of the bar is 31.8mm * 4130 Chromoly, Powder coated for outer strength * Includes starnut already installed for ICS * Light + super strong, these bars have been ridden by top riders with no flaws. BMX style design assures these bars will last you * Standard size will fit most major pro scooter brands including Grit Scooters, Razor Scooters and MGP Scooters.