# How To Measure A Kids Bike? (Question)

Kids bikes come in sizes measured by wheel diameter, as opposed to adult bikes which are measured by frame size and seat height. Common wheel diameters for children’s bikes are 12, 16, 20, and 24 inches.

## How can I tell the size of my child’s bike?

To determine the right wheel size, you only need to measure your child’s height. For example, if your offspring is between 95 and 100 cm tall, a 12-inch wheel fits perfectly. If your child measures more than 140 cm, you should choose a 26-inch wheel.

## How can you tell what size a bike is?

Bicycles are measured by the length of the seat tube, from the centre of the bottom bracket to the seat tube. However, this might vary slightly from one manufacturer to another as some frames are measured from the middle of the top tube.

## What age is a 20 inch BMX bike for?

20″ wheel BMX bikes are ridden by children and adults of all sizes but the minimum age for this style of bike would be between 7 and 8 years. Mountain Bikes: Standing flatfooted on the ground; you should have a minimum of 3″ clearance between yourself and the top tube(cross bar) of the frame.

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## What does 52cm bike mean?

50 – 52 ( Small ) 5’5″ – 5’7″ 160 – 165. 52 – 54 (Small – Medium)

## What does it mean 26 inch bike?

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).

## Can a 5 year old ride a 20-inch bike?

In general, children between the ages of 3 and 5 can comfortably use bikes with 12-inch diameter wheels. Kids between 4 and 7 years old will need 16-inch wheels, 5- to 10-year-olds require 20 -inch wheels and kids from 8 to 14 years old will need a bike with 24-inch diameter wheels.

## What size bike should an 8 year old ride?

Most 8 and 9-year-olds will fit on a 20-inch wheel bike. Meanwhile, a 10-year-old (or older) will likely use the 24-inch size. Keep in mind that if your 10-year-old is smaller, they may still be more comfortable with a 20-inch bike wheel.

## What size BMX does a 10 year old need?

Of course, 10 year-olds come in different shapes and sizes, and that means their BMX should fit them specifically. However, generally, given the average 10 year-old is about 54″, you’re going to want a maximum wheel size of about 18″.

## How do you measure a 20 inch bike?

The best way to determine if your little one should be riding a bike with 20-inch wheels is to measure their inseam. As long as they’re running an inseam of approximately 22 to 25 inches, they should be fine.

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## How do you measure BMX frame size?

FRAME size A frame’s size is determined by measuring the top tube length of the frame. The top tube (tt) measurement is taken from the center of the seat tube to the center of the head tube. To determine your frame size, you must measure you height.