# FAQ: How To Measure A Bike Size?

## 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).

## What size bike should a 6 foot man ride?

People between 6 feet tall and 6 feet 2 inches tall need a bike between 17 and 19 inches in height. Those between 6 feet 2 inches and 6 feet 4 inches should look for a bike between 19 and 21 inches in height. Riders over 6 feet 4 inches tall should purchase a bike that is 21 inches or higher.

## How do you know what size Giant bike to get?

Take the inside leg measurement to the floor. Subtract 3” for mountain bikes, or 1” for road bikes, then subtract 10” which is the average distance from the bottom bracket to the ground. This will then give the approximate frame size that will be needed.

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## Can a 6ft person ride a medium bike?

Yes you could ride a medium. You guys asking sizing questions really need to get on a bikeeven if you can’t get on the exact one your going to buy, you could at least look up specs on other manufs. if the LBS only has a few in stock.