The pelvis

SQlab-Becken-mit-Schambeinbogen-2015-USWhen sitting normally, the sitbones (red highlighted areas) support the body‘s weight and have the capability to withstand high pressure. This should also be the case when riding a bicycle.
With an athletic riding position, the perineal area of men and the lower positioned pubic bone arch of women (yellow and green highlighted areas) rest on the saddle.
The well branched out network of nerves and blood vessels of the perineal area reaches from the anus via the genitals to the upper pubic bone arch. On the sides it reaches past the pubic bones. These are capable of carrying a small weight – but a pressure reduction is essential. An even pressure reduction in the perineal area and the pubic bones is achieved through the lowered nose of our SQlab step saddle concept.

The sitting position

SQlab-The sitting positionWhen sitting, the sitbones (areas marked in red) serve the purpose of supporting the body’s weight, hence they can endure a high load and pressure. They should also be utilised in this way when riding a bike.
In a dynamic riding position the contact point moves from the tip of the sitbones, forwards along the pubic arch to the pubic bone and the central perineal area is used for resting on for both genders. Women however, typically have a lower pubic arch which can result in higher pressure from the saddle nose when riding in a dynamic riding position. The surface area the riders weight is resting on is especially critical in a very dynamic and forward riding position and in such a case the riders weight should not only be supported in the centre but also on the pubic bone.

The sitbone and pubic bones both come together from their widest points in a “V” shape. This means the more dynamic the riding position, the narrower the saddle is allowed to, and should be.
Already in 2002 we developed a simple equation which uses the distance of the sitbone tips in dependence of the riding positing to calculate the perfect saddle width. This method has meanwhile been established globally. The method may be interpreted slightly differently from different saddle manufacturers and many leave the adjustment equation away all together, but our basic concept is used in all of these measuring methods.

The flexibility of the spine has much less influence on the positioning of the pelvis as often assumed. Spine and pelvis should remain in a natural position relative to each other and not be forced into a certain position, even if the body is very flexible.

Especially with the SQlab step saddle it is no longer necessary to tilt the pelvis backwards as the typical pressure zone of the perineal area and pelvis arch no longer pose a problem due to the lowered position of the saddle nose.

The energy which is often reguired to hold the pelvis upright while the upper body taks a dynamic and forward position is no longer required with the SQlab step saddle and can instead be used for pedalling and propelling the bike forward.
In addition, there is substantially less load on the spinal discs.

Text Regel Sitzpositionen US

Numbness of the genitals

SQlab WebInlineImage Becken Mann USNumbness often appears as a symptom for compressed nerves and/or reduced blood flow in the perineal area.

Special nerves and blood vessels in the perineal area of men are responsible for the erection. If the blood supply to these is reduced or they are compressed for any extended periods of time, this can lead to reduced sexual performance. This process is reversible, as after a longer period off the bike this process is usually reversed and the usual sexual performance returns.

 


Caution! The problem can become chronical. Numbness is an alarm signal! Those who listen to their body can minimise the risks so that the positive effects of training prevail. Cycling is a fantastic heart-circulation-training and hence improves sexual performance.

 


What has science got to say to it all?
Scientific studies have shown that athletes generally suffer less from erectile dysfunction (ED) than non-athletes. Results of several research studies lead to the conclusion that approx. 6 – 10% of all men between 30 and 50 years of age suffer from moderate to severe ED. A very meaningful research study amongst athletes has shown that 1.1% of runners suffer from moderate to severe ED, 2% of swimmers and 4.2% of cyclists. Assuming that the positive effects of cycling are at least comparable to those of running, 3.1% of cyclists experience impairment instead of an improvement, which can be up to critical. But it does not always have to come to the worst – the sexual performance rises and sinks just like the muscle power and endurance. With rising age however, it decreases disproportionally. It therefore makes sense to partake in sports activities, especially cycling, but with care to use an anatomically correct saddle. It would be a real shame if the positive effects were nullified through the use of an incorrect saddle.
Source: (Huang V, Munarriz R, Goldstein I., Institute for Sexual Medicine, Department of Urology, Boston University School of Medicine, 720 Harrison Avenue, Boston, MA 02118, USA., Sep. 2005)

Scientific studies about bike saddles

Solutions:
Measure the sitbone distance in order to ensure the saddle is not too narrow. The SQlab step saddle concept spreads the body weight according to medical aspects. A maximised seating area ensure the sitbones can bear the majority of the body weight, the perineal area and the pressure sensitive areas of the pubic bone / saddle nose are evenly and relieved.


General tips on numbness:

  • Ride in a more upright positio
  • Ride out of the saddle more often
  • Avoid riding with a heavy backpack
  • More pedal pressure reduced the pressure from the saddle
  • Reduce body weight – reduces pressure from the saddle
  • Use a thinner saddle padding
  • Sit as far back as possible on the widest part of the saddle
  • Tilt the front of the saddle down slightly
  • Optimise geometry (SQlab recommends Body Scanning CRM)

More free space

thumb SQ Stufensattel US CMYKNumbness occurs as nerves are compressed and/or are receiving reduced blood flow in the perineum area. The corresponding body part cannot be felt correctly and is perceived as numb. The problem can become chronic.

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Pressure mapping

How is pressure mapping on a saddle performed?
A pressure mapping foil with sensors is placed on the saddle. As soon as the rider gets on the saddle, the pressure is mapped with approx. 100 pressure mapping sensors and the result sent to a computer. Thanks to the remote transmitter, the pressure mapping can be performed statically in the lab on a trainer or dynamically in real life on the trail. The pressure distribution is displayed by colour: blue represents low pressure, then the pressure rises from turquoise through green, yellow, orange to red.

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The difference between men & women

SQlab-Becken-Mann-und-Frau-2015-USThe pelvis of men and women differ due to the fact that women’s pelvis need to be able to facilitate giving birth. For us however, the contact to the saddle is of interest – and here, the difference is less than often assumed.
The concept we have developed to measure the sitbone distance provides us with interesting findings. Meaningful statistics about the sitbone distance as relevant for a bicycle saddle were previously not available. Internet research on the topic of sitbones yields information about German Shepherds, but barely any information about humans. The statistics we have developed over the years show that the sitbone distance in men lies between 6 cm and 16 cm and in women between 9 cm and 17 cm.
The previously rarely considered anatomical difference of women’s generally lower positioned pubic bone arch often leads to high pressure experienced on the saddle nose.
There are many women with a narrow sitbone distance and many men with a large sitbone distance. A professional sitbone measurement performed by a trained SQlab dealer simplifies the correct saddle selection and makes multiple test rides unnecessary. Different saddles for men and women are no longer needed with the SQlab concept! The lowered saddle nose relieves the typical problem zone of men, the perineal area and about 2 cm further forward the pressure point between the female pubic bone and saddle nose. (The difference between men and women with only just 2 cm is much smaller than often assumed.)

Research about women specific saddles
The German Sport University Cologne has performed research on women with pressure mapping and two different saddle types (Gel saddle and saddle with cut-out) in various different riding positions. None of the tested saddles showed a satisfactory relieve in the area pf the pubic bone arch / saddle nose. The results concur with our own research performed in our own SQ-lab. The SQlab saddle width system in combination with the lowered saddle nose of the SQlab step saddle is hence not only first choice for men, but also relieves the typical pressure points women experience. This leads to the conclusion that women specific saddles based on a different shape and seating position of men and women are no longer necessary.

One of the few research studies on women and bicycle saddles

Conclusion:
The bike saddle with a hole (control) distributes pressure over a smaller surface, with high pressure at the sides of the hole.
Therefore not only did the saddle with a hole not change the amount of pressure on the central part of the saddle, it centralised it in an area, which can potentially cut blood and lymphatic supply to a woman’s outer genitalia. On the control saddle (Fig. 14) high pressures can occur on the sides of the hole, therefore compressing parts of the Labia Majora (shown in red). In the central part of saddle, the Labia Majora gets caught in the middle of the hole. Compression over a limited portion at the centre of each Labium could damage the skin and the lymphatic system, compress the nerves or cut blood supply to the rest of the Labium falling in the middle of the hole. This does not happen on the flat saddle with gel.

Women’s bike seats: a pressing matter for competitive female cyclists
Marsha K. Guess, MD,1 Sarah N. Partin, BA,2 Steven Schrader, PhD,3 Brian Lowe, PhD,3 Julie LaCombe, MD,4 Susan Reutman, PhD,3 Andrea Wang, MD,5 Christine Toennis, BS,3 Arnold Melman, MD,6 Madgy Mikhail, MD,7 and Kathleen A. Connell, MD1

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4343541/

Conclusion:
Cut-out and narrower saddles negatively affect saddle pressures in female cyclists. Effects of saddle design on pudendal nerve sensory function were not apparent in this cross-sectional analysis. Longitudinal studies evaluating the long-term effects of saddle pressure on the integrity of the pudendal nerve, pelvic floor and sexual function are warranted.


SQlab WebInlineImage Becken Frau USPressure pubic bone / saddle nose

The problem is common amongst women! The low positioned female pubic bone presses onto the saddle nose.

Solution:

  • The SQlab step saddle with lowered saddle nose reduces the pressure evenly.

  • Tilting the saddle forward achieves the same outcome – the rider however, will slide forward into the narrow part of the saddle.

  • A more upright riding position lifts the pubic bone.

Important: check again the saddle width!

The spine

thumb SQBiker RRThe human gait
The description of the human gait has always been a fascinating topic. The amount of available information is huge and numerous studies have analysed this topic in great detail. One thing is for sure, evolution has provided us with an ingenious system with which, if it is not damaged, we can move forward with ease. The important basis however, is three muscle loops: two placed longitudinally and one diagonally. With their fasciae and tendon systems they have the ability to take up and store energy.
The thoracolumbar fasciae links the contralateral shoulder muscles with the gluteal muscles, which stretch all the way down to the lower leg and foot. In short, on every stride, the muscle loop system is stretched; energy is stored, and again released in the next stride. Throughout this process, we hardly need to add any muscle energy. If we, for example, just stroll along in an uncoordinated manner, the loops are not supplied with sufficient energy. This could be a reason as to why many of us experience going shopping as exhausting. In the search of unbelievable running speed of Usain Bolt 1), researchers have focussed on the long tendons which are able to catapult him forwards with incredible speed when tensioned.

Why is this of importance for cycling?
Only a biomechanically correct gait makes use of the system of contralateral interconnection. To provide for this, a correct rocking movement of the pelvis is absolutely essential. This horizontal movement is achieved with our SQlab active saddle technology.
With a fixed pelvis position in the sagittal plane when on a bike, pain in the lower lumbar spine, the pelvis and the hips are to be expected, as our musculoskeletal system is not designed for this movement.

The Spinal Discs
The spinal discs consist of an outer annulus fibrosis and a gelatine-like core. The core has the ability to bind water and through the swelling pressure it provides an excellent buffer function.

Excessive physical load
Our spinal discs have no blood supply. They feed by diffusion and the principle of a sponge. A mix of alternating load and relief keeps them alive. Unfavourable continuous high loads however cause the cells to die.

1) Usain Bolt (* 21. August 1986 in Trelawney Parish) is a Jamaican sprinter
triple Olympic champion and world record holder in 100 and 200 m sprints.
With a world record time of 9.58 seconds (August 2010) he is the only human to have
covered the 100 meter distance in under 9.6 seconds.
He stands 1.95 m tall and has a competition weight of 86 kg.
(Source: www.wikipedia.de)

Painful sitbones

SQlab WebInlineImage 3 Ursachen US
thumb SQ Becken zu schmaler SattelThe larger the area, the lower the pressure.
This physics law implies an advantage for the SQlab step saddle concept. The area does not - like with other ergonomic saddles - need to be reduced in a contra-productive manner with holes and cut-outs.

SQlab Presssure surface area

 


What is the meaning of this with regards to a bicycle saddle?

Pressure = pain causing magnitude, which should be as small as possible
Force = magnitude determined by body mass and gravitational acceleration
Area = useable surface area of the saddle and cyclist




 

A too soft saddle

SQlab Becken mit Muskeln und Sehnen 2015 US

A too soft saddle usually becomes very uncomfortable after approx. 30 – 45 minutes on the bike.
The sit bones sink in so far, that sensitive soft tissue such as muscle and tendons are aggravated. After approx. 30 – 40 minutes a dull deep pressing pain sets in.

The sinking in of the sit bones also causes the perineal area in men and the lower positioned pubic bone arch in women to be subjected to higher pressure. Specifically soft padding will effectively stop the blood flow.

It is rare that the padding is so soft that the saddle shell causes the discomfort.

Text Regel zu weicher Sattel US

Familiarization of the sitbones

The sitbones are capable of getting used to a high pressure load and the discomfort will reduce. At the beginning of the season, or when switching to a new unfamiliar saddle shape, pain and discomfort in the sitbones is normal. Familiarization with a new saddle can take approx. 5 to 6 rides.

At least two days of rest should be scheduled between the initial rides to give the already sensitive muscles and tendons time to respond.

SQlab lists the hardness of the padding material on the saddle. We have developed a measurement unit called SQ Shore, which takes into account the combination of both cover and padding materials.

Text Regel und Achtung Gewoehnung Sitzknochen US

Pressure on the tailbone

SQlab WebInlineImage Becken Frau Steissbein USThis is a problem primarily experienced by women as the female tailbone is more flexible and commonly also more sensitive than the male tailbone.

When in a very upright position, the tailbone can be very close to the saddle. In combination with a too soft or too narrow saddle this can lead to discomfort and pain.

The pelvis is held together by ligaments. When there is tension in the pelvis, these ligaments can excert a high strain to the tailbone. Riding completely tension-free is made possible by the 600 active.

Prostate problems

If you have a prostate problem see a doctor!

Sattel 600activeImportant:

Reduce the pressure to the prostate as much as possible.
If you experience a prostate inflammation it is important to prevent any pressure to the perineal area. If you have had prostate surgery cycling is only recommended after a certain time – if at all – and with a saddle like the SQlab 600 active.

Interesting facts:
The prostate is a gland which often grows for the entire lifetime. This is why the older men become the more likely they are to have issues with it.

 


Our expert for bicycle relatet issues is always happy to help:

Urologist Dr. Stefan Staudte
MVZ, Medicenter, OEZ

Hours (Europe):
Mo-Fr: 8.00 – 12.00
Mo, Di, Do: 15.00 – 18.00
and per appointment
Phone: +49-(0)89-14 99 02-36
Fax: +49-(0)89-14 99 02-40


www.dr-staudte.de
This email address is being protected from spambots. You need JavaScript enabled to view it.

The perfect shape

Griffe 711 Team OrangeErgonomics the fit! Holding on, steering and braking are the most important tasks a bike grip has to transmit - and of course, it should also be comfortable. Only a grip which fits perfectly to the hand can perform these tasks.

This is why the SQlab grips are available in different sizes. The SQlab grip size determination allows selection of the correct grip size.

The ulnar nerve

SQlab-ulnar-nervesPressure mapping on the contact interface hand and grip, have shown that the pressure in the outer region is the largest. This is also where the ulnar nerve runs. The ulnar nerve is responsible for the sensitivity of the ring- and little finger.
SQ-Hand-am-Griff-Druckstelle-ohne-Entlastungsflügel-frei
We have therefore increased the contact area in the outer region of the grip and hence reduced the pressure here.

The carpal tunnel pass

 

SQlab-carpal tunnel passThe carpal tunnel supplies thumb, index and middle finger. Here the nerves exit and branch off to the fingers. A very sensitive area, which can usually be relieved by selecting the correct handle bar sweep for a straight transition from lower arm to hand. Here we should also pay special attention that this area is pressure relieved! Several conventional ergonomic grips have a so-called relieve wing which extends too far inwards. Often this relieve wing is too hard and can cause unwanted pressure to the carpal tunnel pass.

Grip safety

SQ-Hand-am-Griff-Knochen-Griffform-freiTake a look at your fingers as the wrap around a handlebar...

Correct: pretty square.

This is why we have adapted our grips to this shape and created an ergonomic hexagonal wave form that fits perfectly in the hand and provides an ideal secure grip for the hand.

 

Do the test yourself

thumb SQHand an GlasCheck how well you can grip on something round,
for example a glass...                                    

 

 

 

SQHand an Tischkante...and how well you can grip on something square,
for example a table edge

 

 

 

 

MTB handlebar usage

SQlab hand on the HandlebarHow do you hold a mountainbike handlebar properly?

The most important rule when riding in technical terrain is to remain relaxed.

Only then, can the 80 cm or more of travel that the human body is capable of providing be effectively added to the 10 - 20 cm of travel the bike provides. If the body is cramped up, the suspension travel it can provide is reduced and can no longer be used to its full potential. The dynamic human suspension travel can, with advanced riding techniques, even act early, such as with the bunny hop or pre-hopping over take-offs in order to land on the downramp rather than overshooting into the flat.

The 'sucking-up' of bumps or even entire jumps or doubles - a technique used in BMX riding - belongs in this category also.

Adjusting the wings of the Grip

The relief wing is designed to reduce pressure to the outer palm area of your hands when hands are supporting your weight by resting on the handlebar.

The wing should be positioned such that it points down slightly. The support of the wing should only be noticed with increased weight on the hands.

Do never position the wings too high. This would prevent a sharp bend in the wrist, but it would also compromise the ability to maintain a good grip of the bar at higher speeds and the associated higher loads.

Even with a relaxed riding position and a loose grip, the grips should provide a good secure hold of the handlebar. This is why our wings are as large as necessary and as small as possible and only positioned very far outwards on the grips. The squared-off contour at the front and lower side of the grips considerably increase the ability to maintain a strong and secure hold.

SQlab einstellung fluegelposition

Handlebar sweep

SQlab Hand am Lenker 2015 USSports medics recommend a stronger backwards bend in order to achieve a straighter transition from lower arm to hand.

The so-called backsweep, the backward bend, ensures the wrist is not overstretched, the carpal tunnel is no longer constricted and the supply to hand is improved. The risk of sleepy and numb fingers is minimised. Especially discomfort in index- and middle fingers is reduced.

We have a hadlebar for each discipline of riding with the respective correct amount of backsweep.

Click here for the SQlab handlebars

Positioning - The chain hand - elbow - shoulder

SQlab-The chain hand – elbow - shoulder

This chain needs to be observed as a whole. The hand position determines the elbow position. This in turn has its effect on the load to the shoulder, where the magnitude of the load is determined by the angle of the back.

Our handlebars are not only fine tuned for the intended use, but also for a comfortable, yet at the same time, optimal position, for a dynamic riding style.

The backsweep is adapted to the handlebar width, is typically somewhat more than found on traditional handlebars and provides an optimal transition from the forearm to the hand.

 SQ LenkerstellungenText Grafik Lenkerstellungen US

The anatomy of the foot

SQ-Fuß-beschriftet-freiThe foot skeleton consists of 28 bones.
The foot bones can be divided into following groups: tarsal bones, metatarsal bones and phalanxes. 20 muscles and over 114 tendons and ligaments ensure the required flexibility and stability of the bones to each other. A fine nerve and blood vessel network supplies the surface and deeper muscles above and below the foot.

The foot arch

The foot has a longitudinal and transverse arch. The foot arches are held in place by cross bracing of muscles and held upright by tendons. Hence, the body weight is mainly carried by the three points of the heel, the first and the fifth metatarsophalangeal joints.

Bracing of the longitudinal arch:SQlab-The foot arch
plantar aponeurosis
ligamentum plantare longum
musculus flexor hallucis longus
foot's short muscle group

Bracing of the transverse arch:
musculus tibialis posterior
musculus peronaeus profundus

Together they 'wrap around' the middle foot like a stirrup from the inside and outside and hold the arch up.

 

Function of the foot arch:
The foot provides the first contact between human and the ground. In a healthy foot in normal position, the transverse- and longitudinal foot arches perform an important dampening role. The entire body weight needs to be carried by the foot when walking, while also reducing the load peaks on joints such as knees, hips, and spine. To do this, the foot arches subside upon ground contact of every step due to the load experienced, and the muscle tension builds them up again.

Biomechanics and cycling:
On subsidence of the foot arches the foot fatigues and the direct force transmitted to the pedals is reduced. Too much movement of the foot in the cycling shoe can lead to nerve and blood vessel constrictions which result in paraesthesia or numbness.

Pressure mapping

The results of pressure mapping show the magnitude of pressure beginning with blue (less pressure) to green/yellow/orange/red (high pressure).

SQlab WebInlineImage Druckmessungen Fuesse US

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The Foot types

SQlab-Details sqlab insolesCorresponding to the various foot types and specific requirements in cycling, we have developed insoles that support the various different weaknesses.

Benefits and function of the insoles:

  • optimal pressure distribution
  • maximised power transmission
  • support for the foot arches
  • relief of overstressed nerves

 

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Pain and numbness

Medical explanation - pain and numbness in the foot
If nerves or blood vessels are constricted due to pressure, the blood circulation is reduced, or the nerve fibres are irritated which results in numbness, paresthesia or even pain in foot or toes.

Cause foot type:
Too much movement, or incorrect placement of the foot, causes a high pressure to the vessels and nerve tracts through the middle foot. Even with a normal foot position, muscle fatigue can cause a sagging of the foot arch and hence lead to problems. Muscle weakness: daily walking in shoes shortens and weakens the long and short foot muscle groups.

Cause shoe:
If the shoe is chosen too tight, the toes are often cramped up and this position causes considerable shortening of the foot muscles and the musculus flexor digitorum longus. Very firm shoes (e.g. carbon) without ergonomic insoles cause a increased pressure load, and for feet where the foot arch is not optimally pronounced, a pain in the metatarsal foot can result. Usually this leads to numbness and paraesthesia.

General tips for foot problems:

  • regularly change the shoes you are wearing in everyday situations
  • bare foot walking stimulates the foot sole and raises the sensomotory function
  • strengthening of the foot muscles: lift obstacles with your foot, spread the toes, walk on tip toes
  • massaging the soles (for example rolling the foot back and forth on a tennis ball with light pressure)
  • don't do up shoe laces too tight when cycling (blood circulation)

Note:
The nerves run from brain to foot. On the way, there are a variety of options for disturbances. Lumbar spinal damage, muscular pressure and constriction can also cause pain and paraesthesia at the foot!!

Pedal ergonomy

SQlab-Becken-und-Pedalethumb SQlab WebInlineImage Fuss auf Pedal USLonger axle
This is important for riders who’s natural foot position is “V” shaped when viewed from above. If the feet are placed parallel on the pedals, this no longer corresponds to the natural position of the feet and knee issues can be the result. If you are affected by such a problem, especially if pain is experienced on the outside of the knees at the fibula / fibula head, then your feet should be positioned on the pedals in such a way that their natural position is replicated. Most clipless pedals allow sufficient repositioning of the cleats for adjustment to this improved position. Usually however, this results in the heels clipping the chainstays or rubbing on the cranks. The longer axle of the SQlab pedals will provide the additionally required space for the improved foot position.
The other case where the longer SQlab pedal axles are often a solution is with large shoe sizes, typically from about size 45 onwards where the heels often polish the cranks with standard pedals.

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Sit Bone Measurement / Saddle Width System

A saddle should fit like a pair of shoes! If a saddle is too narrow, it creates pressure precisely where there shouldn’t be any. In 2002, SQlab became the first saddle manufacturer to introduce a system to measure the distance between the sit bones and to calculate the optimal saddle width.

The concept has taken off since then. It’s difficult to imagine a cyclist these days buying a bike saddle without knowing his sit bone measurements.

All SQlab saddle models are available in up to five different widths. This guarantees that your sit bones lie completely flat on the saddle. This is the only way in which pressure is relieved on the sensitive perineal area in men and on the pubic arch in women, which is generally lower than in men.

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The SQlab Step-saddle concept

Led by urologist and extreme biker Dr. Stefan Staudte, the step saddle concept has arisen alongside the saddle width system.

SQlab step saddles are available for all cycling activities from triathlon to road bikes, for various disciplines of mountain biking, for active trekking and touring bikes as well as for the cyclist who values comfort on a trekking or city bike. The lowered saddle nose relieves pressure to the sensitive areas of both men and women. The availability of various saddle widths accommodates any differences in individual anatomy. For years, SQlab, with its various concepts; saddle width system, step saddle and adaptive damping, has been the most successful brand in saddle tests carried out by German trade magazines (test portals such as testberichte.de confirm this).

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SQlab active-saddle technology

In the fall of 2010 we introduced the SQlab active saddle technology with the 611 active MTB saddle. In 2011 we expanded the selection of active saddles to at least one active version for every application area. These days one in every two SQlab saddles sold is equipped with our active technology.

Saddle construction

The construction of the saddle allows a degree of movement of the pelvis in the horizontal plane. The natural pelvic rocking movement evident in walking is now possible while cycling.

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SQlab MaxContact® Concept

A continuously changing position on the bike is a part of cycling as much as pedaling. A slight change of the upper body position or the raising or lowering of the pelvis changes the contact points and prevents a one sided load.

SQlab WebInlineImage MaxContact Icon CitybikerA commuter for example, might choose a very upright position for a good view in traffic but might choose a more aggressive forward bad wheather position when riding in rain or up a steep hill.


SQlab WebInlineImage MaxContact Icon MTBAn accomplished mountain biker is characterized by an active riding style as the seating position is adapted to the terrain and the center of mass moves forwards or backwards depending on how steep the terrain is.

 

What does this mean with reference to the SQlab MaxContact® concept?

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Grip Size Measurement „grip & fit“

Holding, steering, braking are the main tasks that are controlled through the bicycle grip and while performing these tasks, it should still be comfortable. Only a grip which fits perfectly to the hand can accomplish this.

That is why we have developed a method for determining the optimal grip size. Our grips, depending on the model, are available in two or three different sizes / diameters.

It’s not a given, that all ergonomic grips relieve pressure on the carpal tunnel. But this is precisely where we have placed great emphasis. The relief wing on all SQlab grips is positioned as far as possible to the outside. Additionally, this results in improved grip, especially when supporting the body weight at the front. All SQlab bicycle grips are made of at least three different materials and are naturally free of harmful substances.

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Foot Type Measurement "step & fit"

Little attention is generally paid to the third contact point; the feet. Whether it is because they’re so far away from the head, or the fact that there are fewer problems with numbness and pain in the feet, we do not know. In actual fact, the feet are the most important contact point, because it is from here that we generate all the thrust.

The human walking gait has developed over millions of years. Each time the heel strikes the ground and the toe pushes off the ground, forces are absorbed and propelled over the longitudinal and transverse arches of the foot.

These features are not only largely unnecessary, but usually even a hindrance when cycling. Due to the high load on the front of the foot when pedaling, energy naturally gets absorbed. This can bring the knees away from their optimum axis; result in numbness in the toes and needlessly use up power.

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PERFECT FIT

SQlab saddle Models overview

PERFECT FIT

The correct width saddle is a prerequisite for maximum
performance. Available widths: 12 / 13 / 14 / 15 cm

SQlab WebInlineImage Ergowave Sattelbreiten

SLEEK REAR

 

 

SLEEK REAR

The raised back section provides more rearward
support and ensures efficient power transmission.


Sattel612activeErgowave.PT02

SAVING ENERGY

 

 

SAVING ENERGY

The wave shaped ERGOWAVE® profile which contours
from the rear to the front offers a perfect form-fit shape
for most sitbones. The rider does not need to be seated in
an inefficient and tiring sitting position and all energy can
be used for forward propulsion.

Sattel612activeErgowave.PT04

LOWER SADDLE NOSE

<

 

 

LOWER
SADDLE NOSE

The level and lowered saddle nose applies less pressure to
the sensitive areas of men and women alike.

Sattel612activeErgowave.PT02

WARNING - UCI

(UCI regulation: The average level of the saddle nose must lie no more than 1cm below the highest point of the saddle). We ask all road cyclists that take part in UCI governed events to mount the saddle such that the nose points up slightly. To all others: Enjoy the many advantages of the ergonomically perfect Ergowave®!

 

 

 

BIOMECHANICS

Sattel612activeErgowave.PT05

BIOMECHANICS

Pelvis movement of up to 7° is made possible
by the SQlab active Technology, which from a
biomechanical point of view simulates the
natural movement of walking and increases
the efficiency of the pedalling motion.
At the same time, the spinal discs are relieved
and the pressure to the sitbones is reduced.

 

 

 

 

ADJUSTABLE ACTIVE TECHNOLOGY

 

 

ADJUSTABLE ACTIVE TECHNOLOGY

The proven SQlab active technology has been adjusted for race
and MTB applications and is now firmer.
Available in three densities: soft/medium/hard

SQlab WebInlineImage 612 active EW softSQlab WebInlineImage 612 active EW mediumSQlab WebInlineImage 612 active EW hard

CENTER DIP

 

 

CENTER DIP

The slight dip in the center of the
saddle reduces pressure to the
sensitive tissue areas of the
perineum. 
Sattel612Ergowaveactive.PT03

LOW AND FLAT

 

 

LOW AND FLAT

The flat saddle nose has a slight curvature which provides
maximum contact area providing and associated reduced
pressure. This shape provides a narrow saddle nose which
minimizes chafing on the inside of the thighs while pedalling.
The SQlab MaxContact® concept has proven valuable in
other race models over the years and has been improved for
the new ERGOWAVE® models.

Sattel612Ergowaveactive.MAIN

  • Address

    SQlab GmbH
    Postweg 4
    82024 Taufkirchen - GERMANY

    Phone: +49-(0)89-6661046-0
    Fax: +49-(0)89-6661046-18

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