DIY Air Saddle Works Great! (and it’s Adjustable & Inexpensive)

As some of you may know from a previous post, I’m not a fan of the latest generation of air saddles and air saddle covers, mainly because in my experience, when you sit on them the air transfers from the rear of the saddle to the front of the saddle.

Finding a more comfortable saddle became paramount for me because after training to get my legs in condition to return to skatepark riding, I started having bad pain in my rear end. I think this was partially my own fault because I never wore bike shorts and I went on fairly long rides without getting off the unicycle to take some breaks. However, I’m not certain that I wouldn’t have ended up with some degree of pain even if I had done those things, due to the fact that unicycle seats are just inherently uncomfortable.

The pain caused me to stop riding for over six weeks, or maybe even a bit longer. I was really bummed out thinking that I may not ever return to unicycling. This motivated me to buy some padded cycling shorts and try implementing an idea I came up with a while ago for a DIY air saddle. I am very happy to report that my newly assembled DIY air saddle works incredible well!

To assemble the air saddle I purchased this inflatable lifting cushion from Amazon:

https://www.amazon.com/QWORK-Inflatable-Lifting-Cushion-Installation/dp/B0CPX6NBWK/

It comes in a pack of four, which worked out nicely for me, since I will soon have a total of four unicycles. At $3.00 each, they are extremely affordable!

I inserted the cushion between my saddle and my saddle cover and then used an adjustable strap to keep the left and right sections of the air cushion that went beyond the top of the saddle folded against the sides of the saddle. After the assembly and returning from my test ride, I noticed that the sharp back corners of the cushion were poking a hole in my saddle cover. As you can see in the photo, the front corners of the air cushion are rounded, but the rear corners (the side where the pump hose is attached) are not rounded. To fix this issue I cut the two sharp corners off. Since I felt like the stiffness of the inflated air cushion would probably still be likely to eventually tear my saddle cover, I decided to strap it down, which seems to have solved the problem. My new DIY air saddle exceeded my expectations! It is by far the most comfortable unicycle saddle I have ever had and I really like that I am able to use the hand pump to adjust the level of inflation to the amount of air/cushioning I like most. If you are looking for a more comfortable unicycle saddle than what is currently available, I highly recommend assembling your own air saddle using an inflatable air cushion. If you do, please post to this thread to let us know if you used the same air cushion as I have or if you chose to use a different one and to also tell us about your experience assembling your new DIY air saddle and what you think of it. Thanks!



UPDATE: Don’t cut the corners off! Apparently doing so damaged the air cushion, so it no longer stays inflated. When I tested it prior to cutting off the corners, it worked great. Once I cut the corners off (just minimally), it caused a leak. I will re-assemble it with one of the other three cushions that I didn’t modify.

Also, the rear strap I used to hold the rear corners down isn’t really working, unfortunately. It keeps sliding down. Oh well, I guess two small holes in my saddle cover isn’t too bad a trade off for having an air saddle that is very comfortable.

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Thanks @HardcoreCokerRider for this interesting experiment report and happy to hear it yields good results.
Seeing the pic of your strapped saddle+air bladder, I was wondering: do you think removing the saddle foam and just having the plastic base and cover work? Or would it be too much expectations on just the air bladder?
On the picture the saddle looks gigantic a very curved prompting the variant of just air :laughing:

That saddle is qute guerilla style… Don‘t like the looks, but like your attitude to solve the problem. Cool, that it worked out :+1:. Maybe some hockey tape could be helpful in replacing one or two of the straps?
Anyway, cool project, and keep on riding!

Im glad I don’t ever have seat problems anymore. There is nothing to keep the seat in the air on the UW :smiley: - no chafing, no cramped bum.

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…on the other hand, I heard your range is quite limited :squinting_face_with_tongue:

It just requires me to train just a bit more. If one Korean dude can do a marathon on a UW, then let me be the first Dutch dude to do a marathon on UW :roll_eyes: (oops… what did I say….)

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Don’t forget to capture it on video! :smirking_face:

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That might works, but I’m pretty happy with the way the saddle feels, so I’m going to keep riding it the way it is for now. It’s possible that I may try your idea at some point in the future.

Thanks! It may not look great, but comfort is my main priority, so I’m ok with the guerilla style, lol. Hockey tape might be helpful, but I’ve decided to accept that two small holes in the back of my saddle cover isn’t too bad a tradeoff for a far more comfortable saddle.

That is a major advantage of ultimate wheels! However, my goal is skatepark riding and I don’t ever envision myself being able to do the type of skatepark riding I’m hoping to do on an ultimate wheel.

Well I don’t ride long distance, but I was riding for up to 2 - 3 hours at a time, with few if any breaks to get off my unicycle. I think that was enough to cause my injury - especially since I wasn’t wearing padded cycling shorts and didn’t have (what I consider to be) a comfortable saddle.

I’m rooting for you!

Will do!

Oh, that wasn‘t addressed to you. Setonix and I got sidetracked (as always). Sorry for the confusion.

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Oh, ok, no problem. My mistake.

Great idea, Andrew, and who cares how it looks. Elegance follows function. If it works well for a number of people someone will eventually make it pretty. You get no chafing from the straps?

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Thanks, @harper! I agree and very much appreciate your comments. I haven’t ridden with my new seat upgrade much yet. I’m planning to go for a ride tomorrow for an hour or two. If the straps cause any chaffing, I’ll update this thread to let you know.


I just stripped of the origional covering and cusioning that had started to deteriorate, put 4 layers of plastic foam cusioning,overed by thick strong material,all at zero cost, all held on by cable ties, i have not ridden yet as i have to fit some new peddals as the one it camme with split

I would be worried by the ends of the cable ties. Unless you cut them very carefully they are pointy and may hurt your fingers when you try to catch the uni in the event of a UPD.

I just came back from my first decently long ride (for me), which was about an hour and twenty minutes on my new DIY air saddle. This is by far the most comfortable saddle I have ever had. Having ridden a fairly good amount and gotten my legs in pretty good shape prior to my break of over six weeks, now I’m starting all over again. That became quite evident as a result of about five UPD’s (one traversing up a hill in my neighborhood and the other four from cranking turns). The UPD’s while cranking turns may also be a result of not getting my technique dialed back in adequately. Either way, it was good to be back out on my 36er and not have to deal with the discomfort of riding on my unmodified saddle, as was previously the case. I was really concerned that had I not figured out a solution to my saddle issue, unicycling may have come to an end for me. So I am very happy that I am able to continue riding with my new DIY air saddle.

Attached are a few more photos of my DIY air saddle. As you can see the sharp corners in the rear of the seat have torn through my seat cover, which is what I had hoped to avoid, but given the comfort of the saddle, I’ll just have to deal with having some tears in my seat cover.

@harper, I am happy to report that I have not experienced any chaffing so far. I’m now wearing padded cycling shorts under my jeans. Not sure if that is a factor or not. I’m hoping that I don’t have any chaffing issues when I go out for more rides

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As long as the seat is comfortable, who cares what it looks like hey!
And yeah, i cut the cable ties flush with a stanley knife to make sure there were no sharps as you say

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Just embrace it and explain that it is your rear wing as you need stabilization at high speed like Formula 1 cars :rofl:

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Can you fold and tape the corners down with duct tape or some other thicker tape to prevent wearing larger holes in the cover?

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I agree 100%

Once I have my geared 36er built with another DIY air saddle, I am surely going to take your advice, since that will be my high speed uni.

That is something I’ve thought about, but I fear it will only be a temporary solution. What I am considering now is seeing if I can find some thick, heavy-duty thread of some sort and then sewing a circle around each of the holes in my saddle cover to try and prevent the holes from expanding. I’m thinking that may be my best bet.


@Canapin Haha, cool rendering. That should do the trick!