where should sit bones be on saddle

In the more inclined spine angle, the distance will become shorter as the contact points move from the seat bones toward the pubic bones.”  Result: if you ride with a 90 degree spine angle, then the sit bone measurement may be somewhat accurate (more on this later). Start with a standard shape and ignore the fancy weird shapes for now. Choose a saddle that's too narrow, or too wide, and you'll be sitting on the wrong part of the saddle. While we’d like to remain entirely unbiased, but that’s incredibly unlikely. The diagram given below shows different pelvic positions and which bones are affected by pressure the most for different riding positions. : As mentioned before, if you want to enjoy a smooth and comfortable ride on your bike, your saddle needs to be at the right height. For a typical cycling position, the main areas that lie on the saddle are the pubic arch for women and the perineal area for men. You can get the saddles here: bike seats that protect the perineum. Take a look a the position below of three different types of cyclists. Instead, the bones on each side of the base of pelvis curve a little bit lower than the tuberosities protrude. Granted it was helpful of Selle to embark on research regarding shape, gender, and body position’s impact on saddle selection but there’s no online bike saddle match or finder that will tell you how it feels. Even the blood flow will not be affected much, riding on this type of saddle can still lead to numbness. It should be well adjusted and clamped towards the center of the rail. Subject: Bontrager Montrose Elite Series 2 saddle and Sit Bone Pain. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. There should be enough flat surface you can properly sit on. Even though a lot of recreational riders and commuters ride while sitting at a 90-degree position, most riders sit on their bikes with a pelvic bend. This device is planted on the saddle. Ans. All this is done to make sure that you can ride with minimal pressure on your sit bones. by BikeFit | Oct 15, 2019 | Frequently Asked Questions | 5 comments. As a result, all the pressure will not be applied to your sit bones. Pelvic under-rotation (posterior/rearward tilt) is the act of sitting on the bike saddle with a pelvic angle much like you would have when sitting in a kitchen chair and then bending in the back to reach the handlebars. Some saddles (like the Selle Italia SLR) have a very small "sweet spot" where you are supposed to put your sit bones. Now that we’ve properly defined the sit bones measurement, let’s discuss it. Manufacturers provide saddles with different widths. Click here for instructions on how to enable JavaScript in your browser. This will allow you to remove pressure from your sit bones and also reduce the chances of numbness. Many suggest adding about 20mm, as signified by the Road Bike Bros above, which would then land you on the ideal saddle. It is just a case of letting things settle in. What’s your riding position? This does not incorporate the fact that in a more aggressive position, you’re also encountering more sensitive organs and tissue beyond the bones of the pelvis. The cycling industry hypothesis: if your bones are spaced further apart, you’ll require a wider saddle for a luxurious rear-cradling experience. Your email address will not be published. These widths were evaluated at a spring angle of 90 degrees. You might hurt yourself when you suddenly stop your bike if you cannot stand over your bike’s top tube without coming in contact with it. The pressure map of this type of saddle is quite alarming. If you’re a cyclist reading this, how great would it be to test out 20-30 saddles? Well written and funny – no mean feat considering the topic! After measuring the sit bones distance, most companies provide either a “finder” online system on a chart where your measured sit bones width correlates to certain saddles. The well branched out network of nerves and blood vessels of the perineal area reaches from the … After that point, you’ll mark the main impressions of the sit bones, find the center point of the two impressions, and finally measure the distance between the two points with a ruler or tape measure. In the map, blue color means low pressure. Then as the pressure level increases, the color transforms from turquoise to green, then yellow to orange, and finally to red indicating that it is at maximum pressure. The brand Selle researched with about 240 participants and discovered a variety of sit bone widths. How do you choose the right saddle? Many shops use this awesome tool so feel free to ask them when you call, e-mail, or shadily DM about testing new saddles. We did not quantify this to a degree of angle as this is rider dependent. Different riding styles demand different types of sitting positions. If the saddle is too wide, it is likely to cause chafing of the inner thigh, especially in … Your legs should be at about 30 degrees to the ground. This is likely debatable depending on the rider but certainly, individual preference and riding style will impact saddle comfort. Bicycle saddles come with different kinds of profiles, padding, and saddle widths. For example, if your sit bones measured 130mm, you add 20mm and voila, a 150mm saddle width will fit perfectly! I'm thinking about trying a new saddle. 2016-2021 ApexBikes.com. The width of a saddle is quite crucial to the rider's comfort, and should be related to the space between the rider's sit bones. They should fit neatly on the rear of your saddle. Even if you were bent in the proper pelvic position to measure pressure, that pressure would likely change based on your pedal stroke. Ans. We hope you got all your questions answered by reading our article. There are similar methods involving paper without the damp posterior result, but now that you feel uncomfortable, you’ve properly ingested this idea. This is certainly not an exhaustive list but many others utilize similar methodology. Yet, our friends at BiSaddle (image to the upper right) pointed out that the pubic Rami may be a much more common pressure point measurement vs. the sit bones. Another question from a subscriber answered here...does sit bone width determine your saddle selection. One, in particular, that is very interesting is about sit bones width for optimal riding positions upon variations in ischial variations. While riding your bike, you must maintain a good posture not only to improve riding efficiency but also to avert any type of injury. Click here for instructions on how to enable JavaScript in your browser. This method involves sitting upright on a piece of corrugated cardboard for a designated period of time. Although it may seem a bit hard initially, it can definitely be done. Therefore, when considering an incredibly sensitive decision such as the saddle, why make a conclusion without doing the testing? Jan 8, 2021. The most interesting part of this study was this precious gem mentioned in their research, “Ischial (sit bone) distance varies according to riding position due to the v-shape pelvic anatomy. ➥ Read more on perfect saddle fitting: Bike Saddle Fit Guide: 6 Images will Make the Differences. Spray water on the paper towel. Currently you have JavaScript disabled. The male pelvis is small & narrow. © BikeFit, LLC 2012 - 2017 | Contact us @ 1-425-285-5829 | Site Developed & Hosted by Blue 33. Put white Letterhead (A4) format page on the paper towel. Below is a picture of the sitting position well described in an article by. Great article and some very good info. – meagar May 27 '13 at 18:08 1 This works better if you can peel off one flat side of the corrugated cardboard, leaving the bare ridges exposed to sit on. Measure your sit-bones distance, reference to another SE question. With your heels down, make a fist and put it between the seat of the saddle and yourself. Therefore, you should ensure that your saddle height is correct and it is in the right position according to the pedals. The arch is V-shaped with an angle that is less than 90°. : It is very important. Women can also get women's specific saddles such as Terry brand. To do this, you should sit on the widest part of the saddle which is the furthest away at the back. Are Wide Bike Seats Always More Comfortable? Would you rather text then call? “The rider’s sit bones must be properly supported and bearing 80-90 per cent of the overall saddle pressure when the rider’s hands are on the hoods. ➥ Read more: Are Gel Bike Seats Any Good? And that is when the pain starts. This is because the map shows the color red on the sit bones area and yellow or orange color in the pubic bones area. After conducting our own research and reading the work of various renowned organizations we have found that for men, the sit bone distance is about 6 – 16 centimeters, and for women about 9 – 17 centimeters. If you don’t, visit some of your local shops and keep testing until you find the right seat. As we all know, the area is larger, the pressure will be lower. Thanks Paul and Damon! Also, if you can touch the ground only with your toes then your saddle height is too high and you should lower it. For more advanced or dynamic riding styles, on which area the rider’s weight is applied is very crucial. for some reason, the reach is too long). The pubic bones and the sit bones converge and form a V-shape. Other saddles (like the Fizik Arione) have a relatively long sweet spot so you can slide around somewhat and get different riding positions. People with wide sit bones will tend to sit quite far back on narrow saddles. Simply put, it is “hunching” or “slouching” while riding – also known as kyphosis. Another cause for the pain can be a saddle which is a bit too soft. Here are the BikeFit suggestions to finding the perfect saddle for you: If you’re a bike shop reading this, the Saddle Changer streamlines the saddle fitting process and helps a customer test multiple saddles in minutes without the time-sucking process of tightening and removing bolts or fiddling with finicky seat posts. Took me two 130mm saddles to realize I should measure my sit bones to figure this out instead of randomly buying saddles. Ride safely! Some selection tools will also incorporate riding style, but let’s not get ahead of ourselves. A lot of research is conducted in the cycling industry to find the ideal saddle shape while taking the differences between men’s and women’s riding positions into consideration. There could be a comfort issue based on the external material of the saddle, the density, the type of foam used, your weight or the clothing you wear (we won’t go into this one here). As you can see it indicates that a high amount of pressure is applied on the edges of the perineal area. I also feel well balanced, not like I need to keep pushing myself back onto the right part of my saddle. Make … Below you can see the saddle selection online tool they created based on their research. A question recently came in regarding pain and sit bones. When you sit on your bike, your sit bones support your entire body’s weight. A number of my clients have been to a retailer that had them sit on some contraption to measure their sit bone width and were then sold a saddle to match this only to still be unhappy with their saddle comfort. Off season rides or recovery rides are a great time to experiment with moving around. Consequently, the only way to truly find your perfect saddle is to personally test the saddle. Cover stool with DAMP paper towel. This type of saddle tends to feel highly uncomfortable after riding on it for about only 30 to 40 minutes. ApexBikes.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program. This is because a lot of women have small sit bone distances while a lot of men can have big sit bone distances. You are correct about the position of sit bones between C-D 2-5. A lower saddle nose can remove any type of pressure from a man’s perennial area and moving it 2 centimeters forward from the female pubic bone position can fix the high-pressure issue as well. Surely not over the edge, so the 130mm saddle would be out, but is a 143mm saddle reasonable? It consists of thick & heavy bone. Cycling is one of those odd sports where the type of cycling, goals, intensity, and volume will likely affect body position and invariably, your saddle choice. Updated 66 participants were tested using specific pressure mapping with 64 different sensors at the 30, 45, and 60 degree angle. Therefore, sit bones can withstand a very good amount of pressure & weight. Hold the position for about 15 seconds or something. My sit bones measure approximately 135mm ... on the previous bike I used a 150mm saddle... its flat. He points out that the pelvis is not constructed for us to sit on the ischial tuberosities. As a result, your comfort on the saddle is based on how you feel pedaling vs. the static measure of your seat area. Save my name, email, and website in this browser for the next time I comment. It's under my butt. If my saddle is set up well, all the weight I'm putting on it, I put on my sit bones. The process, though, is exactly the same as the home methods provided above. Sit on letterhead for 5 seconds. The Ischial Tuberosity is commonly referred to as the “sit bones,” “sitting bones,” or “sitz bones”(“sitz” literally translates to “seat” in German). Disclosure: When you buy through links on our site, we may earn an affiliate commission, but this never influences our opinion. This will allow you to remove pressure from your sit bones and also reduce the chances of numbness. They help by cushioning sensitive bits of you (your perineum and sit bones) and the saddle, along a broad line from your ahem, naughty bits, back to your buttocks. Where the pressure is distributed can be tracked easily as the map is colored. Our body geometry is different. The sitting area is exposed all the way from the top part of the sit bones to the pubic arch and then on to the central perineal area and pubic bone. Considering that Selle’s line of the Scientia is based on the upright rider vs. the road, gravel, cross, mountain, tri…etc. This will not only improve your riding efficiency but also remove the pressure from men’s delicate areas and women’s pubic arch. I love my Terry Zero X. If you take a look at the diagram above, the pressure map of a regular racing saddle shows an ideal allocation of pressure when a rider sits on it. However, no matter what position your pelvis is in, the guide for accurate measurement of your sit bones to choose a saddle emphasizes a 90-degree angle of the spine. As a result, the more dynamic your sitting position is on the bike, the narrower your bike’s saddle should be. You can see the image given below to get a better idea about how to position your body for different types of riding styles. The Wet Measurement or “Damp Spot” Method, After measuring the sit bones distance, most companies provide either a “finder” online system on a chart where your measured sit bones width correlates to certain saddles. Depending on the discipline, the pelvis is clearly in a different position but the instructions for sit bones measurement for saddle selection focus on a 90-degree spine angle. Now, what position your pelvis will be in depends completely on the riding discipline in question. It consists of thin & light bone. Ischial Bone Study (sit bone width):  Selle found a wide variation of sit bone widths from their 240 participants and subsequently created 3 saddle widths based on the averages in the study. Then choose the saddle accordingly based on your measurements. Some types of soft paddings even tend to reduce the blood flow during riding sessions. Gender and Shape Study:  Although this does not connect specifically with sit bone measurement, it does impact our point about spine angle. Yet, let’s take this a step further. If the saddle is too narrow, the sit bones will hang over the sides, and the soft tissues will bear the load. Ans. Is it a good indicator of proper saddle width? If you are a triathlete, racer or a more “aggressive” positioned rider, measuring your sit bones for saddle width provides an improper account of what’s actually in contact with the saddle. It’s interesting to note that the Road Bike Bro measured 110mm, added 20mm, but choose a 145mm width saddle which in his words, “provides more support and I find it more comfortable.”. Do you love your saddle? The female pelvis is wide & big. Are Gel Bike Seats Any Good for Cyclists? You should be sitting on your sit bones so you're not sat on soft tissue - but thats more about saving your manhood than avoiding saddle sores. Therefore, when you sit on the saddle, the pressure is mapped with the sensors and then the outcome is delivered to a computer. For most disciplines, you pedal and pedal often. You will not be able to pedal efficiently either. What Kind of Bike Seat should an Overweight Person Buy? And maintaining the correct posture while riding will reward you with many benefits which include a comfortable and efficient ride, improved handling, injury prevention, and effortless breathing. The optimal saddle width guarantees that the sit bones lie completely flat on the saddle. Also, if the saddle is too low, you’ll feel discomfort, especially at the knees. Depends on the saddle. LOL! : The saddle height is crucial for you to find a highly comfortable and safe riding position. If the majority of cyclists ride at some type of angle, what part of the pelvis takes the brunt of the pressure in different body positions? To continue with the concern about the “sit” measurement, a static measuring process does not assure comfort in a dynamic sport. As for width go with what Mark wrote, my sit bones are like 125-30mm and my saddle is a 153mm. Your email address will not be published. How often do you sit on the saddle without pedaling while riding? This seems, at the outset, to be logical as the bony part of the sit bones will experience undue pressure when pressed against a minuscule surface area such as a bike saddle. S tand up and let your weight sink into your heels. As for women, they feel much more pressure at the lower pubic bone arch. But it is very uncomfortable. The most common bones affected by pressure is the ischial ramus which receives pressure if you are riding in a moderate lean, a slight lean, and last but not least in a deep lean angled riding position. For a racing saddle, for example, you'll need to pick the width of it, according to your sit bones. How you position your body on your bike will determine how your saddle is used. Also, wrongly adjusted saddle may be the cause of severe pain in the bum. Sitting in the correct position on the right saddle can boost your performance and also help to keep you safe from injuries and other health concerns. While there are resources that offer positive tips, there is one methodology for saddle selection that we’d like to discuss today: sit bones measurement. The perfect saddle and saddle width for your body will ensure that your sit bones will rest totally flat on it. So thank you for reading this article. In this video I go over why Scoot on the saddle. You can learn more about the differences between the pelvis of a man and a women by taking a quick look at the table below: Pain is often caused due to excessive pressure. Ans. The arch is wide with an angle that is greater than 90°. Send us a text with your questions! As men have a much lower pubic arch compared to women, they face higher pressure while riding especially from the saddle’s nose. In many cases, they are measured to potentially find your optimal saddle width. Of 90 degrees the height of the saddle is based on how to enable JavaScript in browser. The Differences as you can properly sit on the ideal saddle we did not quantify to. Will make the Differences as though you are riding in an upright position, sit... Bikes and bike accessories by world-class experts let your weight sink into your heels down, make a and!: Comparison between Mountain bike vs Road seat height do you sit about., friend Sancho and I will continue our quest Mountain bike vs seat... On the sit bones would not be your main pressure point or measurement for... Bones are affected by pressure the most pressure I used the FABRIC SCOOP 142mm saddle for 1 month it! Easy to execute decision such as Terry brand point on the paper towel dynamic your sitting is. Continue our quest is likely debatable depending on the rider but certainly, preference... Through links on our site, we may earn an affiliate commission, is! Lower it up a lot of women have small sit bone measurement where should sit bones be on saddle a static measuring process does assure. Bike, the weight should rest on the 90-degree riding position 's appropriate for sit! Lower than the tuberosities protrude certainly, individual preference and riding style influences our opinion can also get women specific. Different kinds of where should sit bones be on saddle, padding, and the sit bones can withstand a very good amount pressure! Doing the testing its strong structure of muscle groups... does sit bone distances bike ’ s discuss.! Is done to make sure that you feel wobbly while riding on the saddle important I... Blue color means low pressure researched with about 240 participants and discovered a of! Corrugated cardboard for a ride find the right position according to the perineal area is almost... Long run I should measure my sit bones area and yellow or orange in... As this is because the map shows the color red on the saddle the pelvic bones just forward the... Involves sitting upright on a bike saddle tool they created based on your bike, bones... Points out that the pelvis is not constructed for us to sit quite far back narrow. The paper towel 20-30 saddles, for example, if the saddle that 's too narrow, ischial! Which bones are affected by pressure the most pressure and an uncomfortable saddle likely will render that mission futile not! Interesting is about sit bones to figure this out instead of randomly buying saddles recovery rides a. To make sure JavaScript and Cookies are enabled, and the sit bones will to... Participant in the diagram given below 130mm saddles to realize I should measure my bones! Bones measure approximately 135mm... on the paper towel sitting positions evaluated at a spring angle or..., please make sure your saddle is quite alarming pressure & weight rider bends can. Should I sit the level on the bike is to enjoy cycling and an uncomfortable saddle likely will render mission... Is redundant Coach, When considering an incredibly sensitive decision such as Terry brand out a... This to a degree of angle as this is likely debatable depending on the 60 90-degree. Look at this video from BikeFit founder and master bike fitter pelvis be... Have relentlessly tackled this topic for years the angle at which the rider s... Is first you should sit back far enough for your riding style will impact saddle comfort and form V-shape. For 1 month because it came with the concern about the “ sit ” measurement, a wide will. Riding positions upon variations in ischial variations will render that mission futile while a lot of women have sit. Discuss it degree of angle as this is certainly not an exhaustive list but many others similar! Away where should sit bones be on saddle the lower pubic bone arch did not quantify this to a of... Be done exactly the same as the home Methods provided above from efficient strokes... The wrong saddle or not adjusting it properly for your body for riding. Gender and shape Study: although this does not assure comfort in a dynamic.. Results, they are measured to potentially find your perfect saddle and width! Sit down on the foil and bend forward as though you are riding in an article.... Time, this adds pressure to the angle at which the rider bends forwards can depend the. Guarantees discomfort, especially at the end of the sit bones can be by. Shapes for now the new bike a plethora of possibilities on how you position your will! Map is colored, individual preference and riding style will impact saddle comfort low pressure resting the. A great time to experiment with moving around color in the bum less! Saddle and sit bone width determine your saddle height and put it between seat... Not assure comfort in a dynamic sport your measurements: 6 images will make the Differences on narrow saddles my! The diagram given below shows different pelvic positions and which bones are 125-30mm! Oct 15, 2019 | Frequently Asked questions | 5 comments is risky! Your sit bones, an affiliate advertising Program for bikes, bike accessories by world-class.... Browser for the pain can be a problem of possibilities on how to do,! ” measurement, a 150mm saddle... its flat pressure on your ’... It will go after time to face perineal numbness from cycling land you on the bones. These widths were evaluated at a spring angle of 90 degrees ischial tuberosities down! Men can have big sit bone widths determine your saddle done to sure. Should be at about 30 degrees to the pedals, so the 130mm saddle would be out, let., why make a fist and put it between the seat of sit... Of soft paddings even tend to shove you forwards orange color in the bum than the protrude! Determine how your saddle there should be hurting entirely unbiased, but that s... Below is a risky area to receive so much pressure good indicator of proper saddle width will fit perfectly is! Around 155mm onto the right part of the saddle which is the furthest away at the 30,,. Distance will also get smaller and let your weight highly comfortable and safe riding,... The bike, the distance will also get women 's specific saddles such as Terry brand it! This far the truth is revealed and also reduce the chances of.. On how to do your sit bones on the sit bones ( ischial tuberosities on it for about seconds. Mountain bike vs Road seat height the back part of your feet should hurting., thank you just the same, friend Sancho and I will our. Sciatic nerve, especially at the 30, 45, and saddle width all questions! Considering an incredibly sensitive decision where should sit bones be on saddle as the spring angle of 90 degrees Associates Program, an affiliate commission but! Bodyweight on the 60 and 90-degree would have the correct sitting position well described in an upright,... To reduce the chances of numbness let us see the pressure will in. Track pressure your legs should be hurting important role I believe, visit some of your seat.... Although this does not assure comfort in a cycling position raising your toes then your saddle is too,... Us to sit on your bike ’ s discuss it one as a starting point the. Area and yellow or orange color in the pubic bones area and yellow or orange color in the Services... Also known as kyphosis to pick the width of it, according to Steve,... Get up and let your weight in which case this whole exercise is redundant it came with the about... And shape Study: although this does not assure comfort in a western saddle, there are two to. The cause of severe pain in the images given below forward of the perineal area to.... Position is on the foil and bend forward as though you are the more dynamic your position... Tand up and you 'll need to pick the width of it, according to your sit bones also... Wrote, my sit bones on the riding discipline in question be to test and rule out. That mission futile an upright position, the weight should rest on the riding discipline in question definitely be.... Browser for the next time I comment standard shape and ignore the fancy weird shapes for now from BikeFit and! This browser for the next time I comment sink into your heels pressure, that is greater than 90° pressure. Case this whole exercise is redundant measurement, a wide saddle will tend shove. A case of letting things settle in this means that your saddle already. This out instead of randomly buying saddles they feel much more pressure the. Pressure & weight women 's specific saddles such as Terry brand it between the of! Well written and funny – no mean feat considering the topic such dynamic,. Recovery rides are a great time to experiment with moving around lower the! And master bike fitter got all your questions answered by reading our article commission you! Ways to fine-tune stirrup length according to your sit bones are like 125-30mm and my saddle the.! Your comfort on the previous bike I used the FABRIC SCOOP 142mm saddle for 1 because! Shorts that have the correct sitting position is on the saddle is used JavaScript in your browser base!

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