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).

How is bike frame size measured in Australia?

The size of a bicycle is typically measured at the frame. The measurement typically more refers to the length of the seat tube, top tube, or the distance from the centre of the bottom bracket to the end of the seat tube.

How do I choose a bike frame size?

Choosing the Correct Size/Frame for Road Bikes Stand with your legs 15-20 cm apart. Measure the height from your groin to the ground. Multiply the leg inseam length (in centimetres) with a factor of 0.70. In short, your frame size for the road bike will be 53 cm if your leg inseam is 76 cm.