Bike Buying Guide Size May 2026

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.

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. bike buying guide size

Your height gives you a direction, but your inseam gives you precision. This is not your pant size; it is the distance from your crotch to the floor. Stand barefoot against a wall with feet 6–8 inches apart

If you are between sizes, or comparing different brands, look at "Reach" and "Stack" on the bike's geometry chart. or comparing different brands