Bicycle Frame Size Charts | eBicycles

Bicycle Frame Size Charts | eBicycles

The following bike frame size charts and calculators give you a good starting point

The following bike frame size charts and calculators give you a good starting point on what size bike will fit your body. Sizing a bicycle is not an exact science, so consider this a general guide. You still may want to get a professional fitting from your local bike shop when buying a bike. In order to use the charts, you should have your height and leg length measurements (in either inches or centimeters). You can navigate this guide using the links below:

Frame Size Calculators

These tools give you a recommended frame size for your height and leg length, in addition to other possible frame sizes that may fit. Road, mountain, BMX and kids bikes are supported. Both metric and US measurements are provided.

Calculate your frame size

Road Bike Frame Sizes

This chart applies to 700c road bikes. Frame sizes are centimeters (cm).

Bicycle Frame Size Charts | eBicycles Download Road Bike Frame Sizes (PDF, 69k) or calculate your road bike size

Mountain Bike Frame Sizes

This chart applies to mountain bikes. Frame sizes are inches (in).

Bicycle Frame Size Charts | eBicycles Download Mountain Bike Frame Sizes (PDF, 68k) or calculate your mountain bike size

BMX Bike Frame Sizes

This chart applies to BMX bikes. Frame sizes are provided in inches, measuring the top tube of the frame.

Bicycle Frame Size Charts | eBicycles Download BMX Bike Frame Sizes (PDF, 64k) or calculate your BMX bike size

Kids Bike Frame Sizes

Kids bikes are sized using the age of the rider. Bicycle sizes are determined by the tire size.

Calculate your child’s bike size

Reading the Charts

  • Find your height on the left column(s)
  • For Road Bikes and Mountain Bikes
    • Find your inseam across the top, in either inches or centimeters (cm)
    • Find where the two columns intersect – this is your general frame size
  • For BMX Bikes
    • Find the “X” and “-” for your height, and look at the frame size in the column heading
  • Any frame sizes highlighted in yellow may work for you
  • Crank size/length is also shown at the very bottom
  • Depending on your riding style, body type, and personal preference, you may prefer a smaller or larger frame, but you can use this size as a starting point.

Measuring Your Height

  • Remove your shoes.
  • Stand with your back against the wall, feet just less than shoulder width apart.
  • Have someone measure from the ground to the top of your head.
  • Jot down your height in inches or centimeters (cm).

Measuring Your Leg Length / Inseam

  • Your leg length or bicycle inseam is different than clothing inseam or jean size.
  • Start by removing your shoes.
  • Stand with your back against the wall, feet about shoulder width apart.
  • Put a large book between your legs, with it’s spine firmly up against your crotch.
  • Have someone measure from the floor to the spine of the book.
  • Jot down your inseam in inches (in) or centimeters (cm).


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