Sit bone measurement

SQlab was the first producer of bike equipment to develop a saddle width system to measure the sit bones and calculate the optimal saddle width.

SQlab measurement concept

Find your fit

Find the right saddle quick and easy

Most SQlab saddle models are available in up to five different widths. This guarantees that your sit bones completely rest on the saddle and the perineal and pubic area are relieved.

Determine your right saddle width now:

Sit bone measurement
Personal consultation on site

Specialist Retailer

We recommend to buy ergonomic products from a specialist retailer because they can help you with the most personal advice. Our dealers are trained in our product concepts and are experts in cycling ergonomics. They offer a complete digital body sizing and bike adjustment with our digital measurement app (only available at selected stores).
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Measurement and consultation at home

Sit bone measurement at home

You don't have the possibility to visit the shop or you prefer to determine your sizes yourself at home? Get a "Measure-at-home" Kit and use our product finder, to get your perfectly fitting saddle.

Sit bone measurement at home

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Step 1

Place the measuring cardboard on a smooth and hard surface.

Sit on it with a straight back and pull with full power towards the cardboard.

Please try to see that your feet are slightly elevated.

Vermiss mich set

Step 2

Measure the distance between the resulting sit bone imprints.

Mark the imprinted area for a better result.

Measure from center to center of the imprints using the ruler on the front.

Messung des Sitzknochenabstands mit dem Vermessungset für Zuhause von SQlab

Step 3

Select the bike type from this table and add the corresponding value to the measured sit bone distance.

Be aware of the special cases:

City saddles 621:

Sit bone distance <12 cm -> saddle width 18 cm
Sit bone distance >12 cm -> saddle width 21 or 24 cm

Kids:

9cm for kids up to 9 years old.
11cm for kids 9 years or older.

Dirt & downhill as well as trial & bmx saddles:

One size

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Find the fitting saddle now

With our productfinder you can find the right saddle your bike type, riding style and sitbone distance quick and easy.

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The effective saddle width

The saddle width is always the effective usable seat surface, not the total width.

With all SQlab saddles, the usable area is utilized to the maximum and as little width as possible is wasted due to excessive curvature.

Determine the saddle width:

A measurement aid line is created at the widest point of the saddle (see illustration below). The area can be used up to the outer points from which the saddle drops more than 1 cm downwards.

The SQlab saddle width calculation has been adopted by specialist magazines for saddle tests.

A saddle has to fit like a pair of shoes.

Find your perfect saddle width for more power and less pain.

Saddle too narrow with discomfort at the sit bones and increased pressure at the perineal and pubic area.

SQlab Saddle optimal saddle width with more comfort, less pressure and better efficiency.

A saddle has to fit individually. If a saddle is too narrow, it squeezes, and exactly where it shouldn't. In 2002, we were the first saddle manufacturer to develop a system for measuring the distance between the sit bones and calculating the optimum saddle width. All SQlab saddle models are available in up to four different widths. This guarantees that your sit bones rest fully on the saddle. Because only in this way can the sensitive perineal area in men and the usually lower pubic arch in women be relieved.

To date, SQlab offers the widest range of saddle models in different widths for every area of use.