Find Your Frame Size

Grab a tape measure, and let's do this.

1.  Measure your barefoot inseam. This is most easily done by putting a book between your legs and pulling it up tight against your sit bones. Measure from the top down to the floor.

2.  Measure the height of your sternal notch. This is the indent where your collar bones come together below your neck. Measure from there down to the floor.

3.  Subtract #1 from #2. This is your torso length.

4.  Use your torso length to find your frame size below:

    Frame Size

    XS

    S

    M

    L

    XL

    in

    Less than 24”

    23.5” - 25”

    24.5” - 26”

    25.5” - 27”

    Greater than 26.5”

    cm

    Less than 63.5cm

    59.7cm -
    63.5cm

    62.2cm -
    66cm

    64.8cm -
    68.6cm

    Greater than 67.3cm


    Why do we use torso length?

    The old-school approach of using height or inseam to choose a frame size is really only a guess based on average proportions. In fact, ‘average’ only describes about one-third of adult riders. This means two-thirds of people have a portion of their body that is longer or shorter than average.

    Let's take two women who are both 5’4”. One has a 26” inseam, the other has a 30” inseam. This means the woman with the longer legs has a 4” shorter torso. Putting them on the same bike setup would leave her reaching too far to the handlebars while the other woman would be too crunched.