# Readers ask: Bike Size How To Measure?

## How do you determine bike size?

How to calculate a bike size? Measure your inseam!

1. Stand close to a wall, your feet should be 6-8″ (15-20 cm) apart.
2. Place a large, hardcover book between your legs – it will simulate the saddle.
3. Mark where the book’s spine touches the wall.
4. Measure the distance from that point to the floor – that’s your inseam.

## What does 26 inch mean for bikes?

And what does it mean when they say “26 inch”? A 26 inch mountain bike means that the wheels have an internal diameter of 26 inches. For example, a man who stands 5’8″ would be best suited for a 20-inch frame with 700c wheels or larger (700c refers to the diameter of the wheel).

## Is 26 inch wheel bike for adults?

Most adult bikes have wheels measurements around 26 – 29 inches. Give an allowance of 1-3 inches between your inseam and the crossbar of the bike.

## Is it better to get a bigger or smaller bike frame?

Check your Ape Index If your arm span is longer than your height, go for a bigger frame. If it’s shorter, get the smaller one. On a bigger bike, the reach to the handlebars will be longer. If you have proportionally longer arms, you are likely to feel more comfortable on a bigger frame.

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## What does frame size mean on a bike?

Frame size generally refers to frame height, the length of the seat tube from the bottom bracket (crank bearing) to the top tube. Also, frames are measured differently. Some companies measure from the center of the bottom bracket to the center of the top tube/seat tube junction.