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5 out of 5 stars

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SQlab 621 ERGOLUX active 2.1 city comfort saddle in black with pressure relief technology
SQlab 621 ERGOLUX® active 2.1 bicycle saddle in matte black
SQlab 621 ERGOLUX active bicycle saddle 18cm in black and blue front view
SQlab 621 ERGOLUX active 2.1 comfort saddle 18cm in black, side view
SQlab 621 ERGOLUX active bicycle saddle 18cm in dark charcoal grey
SQlab 621 ERGOLUX active 2.1 city comfort saddle in black with pressure relief technology
SQlab 621 ERGOLUX® active 2.1 bicycle saddle in matte black
SQlab 621 ERGOLUX active bicycle saddle 18cm in black and blue front view
SQlab 621 ERGOLUX active 2.1 comfort saddle 18cm in black, side view
SQlab 621 ERGOLUX active bicycle saddle 18cm in dark charcoal grey
SQlab 621 ERGOLUX active 2.1 saddle 18cm in black and blue
SQlab 621 ERGOLUX active 2.1 city comfort saddle in black with pressure relief technology
SQlab 621 ERGOLUX® active 2.1 bicycle saddle in matte black
SQlab 621 ERGOLUX active bicycle saddle 18cm in black and blue front view
SQlab 621 ERGOLUX active 2.1 comfort saddle 18cm in black, side view
SQlab 621 ERGOLUX active bicycle saddle 18cm in dark charcoal grey
SQlab 621 ERGOLUX active 2.1 saddle 18cm in black and blue
The SQlab 621 ERGOLUX® active 2.1 is a comfort-oriented saddle for city and touring cyclists. Its wide, two-tiered ERGOLUX® contour supports the sit bones and minimizes pressure in sensitive areas – ideal for an upright posture and relaxed rides. The active System 2.1 allows for natural pelvic movement even while cycling, which can reduce back strain. Perfect for commuters and occasional cyclists seeking ergonomic comfort in daily use. Key Features: ERGOLUX® Shape – Two-tiered support for relaxed sitting Active System 2.1 – Promotes natural pelvic movement and spinal relief Generous Width – Ideal for upright city and trekking bikes Urban Ergonomics – Designed for everyday riding comfort
ARTICLE NUMBER57230-2011
BAR CODE4062695002291, 4062695002307, 4062695002314
SIZE(S) IN CM (EFFECTIVE SADDLE WIDTH)18 / 21 / 24
AREA OF USECity
WEIGHT(S) IN Gapprox. 620 / 630 / 655
LENGTH(S) IN MMapprox. 280
EFFECTIVE HEIGHT IN MMapprox. 78
ACTIVE TECHNOLOGYYes - Comfort
MATERIAL RAILSCrMo (solid)
MATERIAL BASEPolypropylene Compound (PP)
MATERIAL PADDINGComfort Foam
MATERIAL COVERDurable Microfibre
HARDNESS IN SQ-SHORE45
RELIEF OF PERINEAL AREA IN %70
MAXIMUM LOAD IN KG130
MAXIMUM TORQUE IN NM18
E-BIKE READYYes
DIN/ASTM CATEGORIES1
GENDERUnisex
WARNING: cancer and reproductive harm according to - https://www.p65warnings.ca.gov/
For more information about shipping and returns, please visit our Shipping & Returns page.

621 ERGOLUX® active 2.1 Extra wide bike seat

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5 out of 5 stars

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Available NowShips in 2-5 business days.

Experience premium quality on every ride

Color:

900 black

621 ERGOLUX® active 2.1 - 900 black (621 M-D active 2.1)
621 ERGOLUX® active 2.1 - 900 black

Size:

18cm

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Extra wide bike seat

Item-no. 57230-2011

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The SQlab 621 ERGOLUX® active 2.1 is a comfort-oriented saddle for city and touring cyclists. Its wide, two-tiered ERGOLUX® contour supports the sit bones and minimizes pressure in sensitive areas – ideal for an upright posture and relaxed rides. The active System 2.1 allows for natural pelvic movement even while cycling, which can reduce back strain. Perfect for commuters and occasional cyclists seeking ergonomic comfort in daily use. Key Features: ERGOLUX® Shape – Two-tiered support for relaxed sitting Active System 2.1 – Promotes natural pelvic movement and spinal relief Generous Width – Ideal for upright city and trekking bikes Urban Ergonomics – Designed for everyday riding comfort
ARTICLE NUMBER57230-2011
BAR CODE4062695002291, 4062695002307, 4062695002314
SIZE(S) IN CM (EFFECTIVE SADDLE WIDTH)18 / 21 / 24
AREA OF USECity
WEIGHT(S) IN Gapprox. 620 / 630 / 655
LENGTH(S) IN MMapprox. 280
EFFECTIVE HEIGHT IN MMapprox. 78
ACTIVE TECHNOLOGYYes - Comfort
MATERIAL RAILSCrMo (solid)
MATERIAL BASEPolypropylene Compound (PP)
MATERIAL PADDINGComfort Foam
MATERIAL COVERDurable Microfibre
HARDNESS IN SQ-SHORE45
RELIEF OF PERINEAL AREA IN %70
MAXIMUM LOAD IN KG130
MAXIMUM TORQUE IN NM18
E-BIKE READYYes
DIN/ASTM CATEGORIES1
GENDERUnisex
WARNING: cancer and reproductive harm according to - https://www.p65warnings.ca.gov/
For more information about shipping and returns, please visit our Shipping & Returns page.
SQlab City Lifestyle

ERGOLUX® stands for maximum comfort

621 ERGOLUX® active 2.1

The 621 ERGOLUX® active 2.1 is for an upright sitting position. The details of the saddle offer maximum comfort and allow you to sit for a longer ride.

  • SQlab Lab 2025

    Adjustable

    The switch function, can be easily and quickly adjusted with just one movement. Turn the adapter by 90° and the movement of the active system changes.
    Read more
  • SQlab City 621 active

    Step Shape

    The two-level shape of the 612 ERGOLUX® relieves pressure and supports the sit bones—ideal for long rides with efficient power transfer and lasting comfort.
    Read more
  • SQlab City Lifestyle

    Comfort in the city

    Designed for everyday riding, the 621 ERGOLUX® offers balanced support and pressure relief—perfect for stop-and-go traffic and upright positions in urban environments.
    Read more
sqlab.produkte.sattel.621.ergolux.active.2.1.sattelbreiten.18cm.21cm.24cm

Saddle Width System

perfect fit

A prerequisite for maximum comfort and relief is the matching saddle width, so that it is ensured that your sit bones lie fully on the saddle. Because only then, the sensitive perineal area in men and the usually lower pubic arch in women can be properly relieved. Available widths: 18 | 21 | 24 cm
sqlab.produkte.sattel.621.md.active.2.1.stufensattel

ERGOLUX®

pressure relief

The lower saddle nose in combination with the slight depression in the middle relieves the sensitive perineal area. The flat, only very slightly curved shape of the saddle nose results in a maximum contact surface with correspondingly less pressure.
  • SQlab City Lifestyle
  • SQlab City Lifestyle
  • SQlab City Lifestyle
sqlab.produkte.sattel.621.md.621.ergolux.active.switch.active.system

active-Technology

Good to the back

The SQlab active saddle technology enables a physiological co-movement of the pelvis. Spinal discs and facet joints can thus be relieved. In particular, the mobilization of the spincal discs is clearly noticeable. SQlab introduces the next evolutionary stage of active technology. The active movement 2.1 can be adjusted via the switch function as of now in two stages and this is child's play.
Active Study
sqlab.produkte.sattelvergleich.621.ergolux.621.md
sqlab.produkte.sattelvergleich.621.ergolux.621.md2

ERGOLUX® stands for maximum comfort.

The two-stage ERGOLUX® shape provides balanced pressure distribution between the sit bones and perineal area. The pressure on the sit bones is distributed over a very large area due to the wave shape. The difference in height between the sit bone support and perineal area is less than with the M-D Line, which is consistently designed to relieve pressure. The 621 ERGOLUX® active 2.1 has a relief of 70%. 

M-D Line stands for maximum relief.

The M-D Line was developed for maximum relief of sensitive areas. A pressure distribution according to medical aspects. M-D Line stands for maximized dip. In combination with the high classic step shape, distributes the body weight to the sit bones. The 621 M-D active 2.1 has a relief of 85%. 

Reviews

5 out of 5 stars

4.8 / 5
381 Reviews
5
85.3%
4
10.2%
3
2.4%
2
1.6%
1
0.5%

5 out of 5 stars

Guter Sattel

ein für den Preis angemessener bequemer Sattel. Ich hoffe das bleibt auch so

4 out of 5 stars

nach den ersten 7km ...

lässt sich noch nichts abschließend bewerten. Allein: Die Entlastung des Damms ist phänomenal, gleich in den ersten Sekunden große Freude! Leider ist die Gesamt-Eingewöhnung auf dem Sattel dann doch nicht so ohne weiteres. Ich bin paar Mal hin und hergerutscht auf der Suche nach der richtigen Position, auch weil die Oberschenkel jetzt enger am Sattel liegen und dort ein Reibegefühl auslösten. Muss vielleicht noch Sattelhöhe minimal verstellen - und vor allem einfach mal die neue Kombi einfahren...

5 out of 5 stars

Gut

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5 out of 5 stars

Super bequem

Mich hat schon der Vorgänger des Ergolux 621 begeistert, wehalb ich mein neues Bike direkt habe damit ausstatten lassen. Keine Poschmerzen, keine Sitzbeinschmerzen, entspanntes Radfahren auch auf längeren Strecken. (80km+). So soll es sein. Bestellung und Versand liefen völlig problemlos und professionell. Bei Bedarf gerne wieder.

5 out of 5 stars

Aufpassen bei Größenauswahl, Besser als jeder Standarsitz

Besser als jeder Standarsitz. Aber Achtung bei der Größenauswahl, die Berechnung vom Knochenabstand her gilt hier nicht. Hab' mit 13,5 cm Knochenabstand 24cm genommen, evtl. wäre der 21cm besser gewesen, macht aber bei City-Bike wohl kaum Unterschied, und isch sitze gut.

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