Buying Guide Size | Bike

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

Finding the right bike size is the most critical step in ensuring a comfortable, pain-free, and efficient ride. While manufacturers provide general charts, a perfect fit depends on your height, inseam, and the specific type of bike you are buying. 1. Start with Your Height bike buying guide size

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 between sizes, or comparing different

While pedaling, your knees should not hit the handlebars (too small), and your legs should not fully lock out at the bottom of the stroke (too large). Measure from the floor to the top of the book's spine

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.

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.

The vertical height from the pedals to the handlebars. A higher stack puts you in a more upright, comfortable position. 4. Sizing for Kids