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Saddle 621 M-D active 18cm

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Item #: 2289
Sitting Position Slightly Bent Forward/Upright
99,95 €
incl. tax, plus * shipping
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Perfect Fit

The correct width saddle is a prerequisite for  maximum relief. 

Available widths: 18 / 21 / 24 cm

Maximized Dip

Maximum relief of sensitive areas. The relief of the perineum areas is 85 %

Raised Level

The high classical step shape in combination with the maximized dip distributes the body weight to the sit bones.

SQlab active system

The SQlab technology relieves strain on intervertebral discs and sit bones. The active movement can be adjusted via four comfort sticks.

Approved up to 150 kg 

The M-D Line ist suitable for heavier riders thanks to the firmer active System and the stable CrMo rails. In partikular the width of 24 cm offers a verly large contact surface for absorbing even heavy body weight. 

621 M-D active
for more relief

  • City/Comfort
  • Short to medium distance 
  • Step shape 
  • Active technology comfort
  • 85 % dam relief 
  • Max. load 150 kg 

621 ERGOLUX® active
for more comfort

  • City/Comfort
  • Medium to long distance 
  • Double step
  • Active technology comfort
  • 70 % Dam relief 
  • Max. load 130 kg 
Technical specifications at a glance
Width in cm
Area of use
Length (mm)
Weight (g)
Hardness in SQ-shore
Relief of perineal area (%)
Material Rails
Solid CrMo
Material Cover
Material Padding
Comfort (adjustable via 2/4 sticks)
max. Weight (kg)
Unisex: Due to the sit bone measurement and the step saddle concept, it is not necessary to differentiate between men and women
Description at a glance

The M-D Line was developed for maximum relief of sensitive areas. A pressure distribution according to medical experts.

The M-D Line stands for Maximized Dip and, in combination with the high classical step shape, distributes the body weight to the sit bones.

For City bikes with slightly forward body lean to very upright sitting position. The 621 M-D offers with 85 % relief.  This is the highest relief for perineum and prostate from the entire SQlab product range. Only the 600 active offers a little more with 100% relief.

The active system is slightly tighter with the black damper and can be adjusted via four comfort sticks.

The M-D Line is therefore also suitable for heavier drivers thanks to the stable CrMo struts.

The width of 24 cm in particular offers a very large contact surface for absorbing even heavy body weight.

If the relief of the perineum area is not so important to you, but the comfort at the sit bones should be maximum, then we recommend the ERGOLUX® series.

✓ TÜV SÜD tested