What are the standard road bike handlebar dimensions?

Standard road bike handlebars typically have a width ranging from 38cm to 44cm, with most falling around 40cm to 42cm. The drop, or distance from the top of the bar to the bottom, is usually around 130mm to 150mm. The reach, or distance from the center of the bar to the furthest point, is typically around 80mm to 100mm. These dimensions can vary depending on the specific brand and model of the handlebar.