Bike Buying Guide Size May 2026

The horizontal distance from the pedals (bottom bracket) to the handlebars. A longer reach feels more "stretched out" and aggressive.

Road bikes are typically sized in centimeters (cm). 4'11" – 5'2": 47 – 50 cm 5'3" – 5'6": 51 – 54 cm 5'7" – 5'9": 54 – 56 cm 5'10" – 6'0": 56 – 58 cm 6'1" – 6'3": 58 – 61 cm bike buying guide size

Height is the most common starting point for bike sizing. Use these general charts to find your baseline size. The horizontal distance from the pedals (bottom bracket)

Stand barefoot against a wall with feet 6–8 inches apart. Place a hardcover book between your legs and pull it snugly against your crotch (mimicking a saddle). Measure from the floor to the top of the book's spine. 4'11" – 5'2": 47 – 50 cm 5'3"

If you are on the cusp, sizing down is usually safer as it offers better control and maneuverability. Sizing up is better if you prefer a more stable, less "twitchy" feel.