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Rigid Chair backs. What's your experience?

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    Rigid Chair backs. What's your experience?

    I've been using an ADI carbon fiber chair back for almost a year now and have seen an improvement in my posture and notice that I'm less fatigued toward the end of the day. It took a bit to get used to it, but now I'm glad I made the investment. I'm interested in other peoples' experience, what brands they tried, results, etc..
    "I do mind, the Dude minds. This will not stand, ya know, this aggression will not stand, man"

    The Dude

    #2
    I tried the adi and just didn't like it. good product but I couldn't adj to it.
    Bike-on.com rep
    John@bike-on.com
    c4/5 inc funtioning c6. 28 yrs post.
    sponsored handcycle racer

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      #3
      I've got and old Jay J2 back that I would like to replace. I don't like when I arch back there is no padding there just a hard shell edge with a little strip of rubber around it that's wore thru now. Just not sure what to try next?

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        #4
        Got a invacare matrx pb elite bought it in ebay for $70, best thing ever done for my back, huge relief. One day ill get a carbon fiber back.
        c6/7 incomplete 6/30/07

        whats that smell? its me, cause im the shit.


        если я сейчас умру то нахуй я родился

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          #5
          I used ADI on a couple chairs. Didn't see any improvements or detriments so I went back to upholstery. They did look cool, though. Without any functional improvement I just prefer the lighter and simpler option. I'm a big proponent of maximum parsimony especially with equipment I rely on day in and day out. K.I.S.S.!
          "I have great faith in fools; self-confidence my friends call it." - Edgar Allen Poe

          "If you only know your side of an issue, you know nothing." -John Stuart Mill, On Liberty

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            #6
            I've been using hard shell backs since they first came on the market in the mid-'80s and am presently using the ADI carbon fiber back on my chairs. Aside from better postural support (for me), the mounting hardware attachments allow me to have much shorter back posts which allows unobstructed space to move your arms backward without knocking into the back posts.
            Attached Files
            stephen@bike-on.com

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              #7
              I've got both ADI and Jay 3 solid backs. Jay 3 backs will over time have their foam slip down and so when you lean back, as mentioned by MMcgif, you'll be bending on the top of the back and not foam. I solved this by cutting and adding a bit of foam at the inside top of the Jay3 cushion cover, then loosening the velcro and rolling the top over the edge and then velcroing back in place. Essentially making the foam roll over the top, over time it will form to the top of the back and stay put. ADI has this advantage over the Jay 3. ADI has their velcro and foam roll over the top better. The Jay 3 offers a bit more adjustability I think, even though it's noticeably heavier. You can also get shorter backs with Jay3. ADI will do an 8" that is a 'custom' and costs a little extra. But to point out what stephen212 said, the post profile is lower with the hard backs. A Jay3 will get you lower than an ADI because of the hardware difference. ADI is a bit more comfy and has better lateral support in my opinion but I am continually trying to force better posture and lower back profile to get more trunk stability so the Jay3 is on my everyday and the ADI is on my off-road chair project.

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                #8
                I have been using the Varilte Icon for about 4 months now and it has been working fine for me. The biggest issue I see with backrests is mounting hardware that works for you and your chair. For me, I use push handles for balance and bending over. This leaves a bolt in the back post, so the hardware cannot be mounted over the bolt, so I have to work around it, plus working around the cross bar, yet achieving the desired back height. I wish I could use simple mounting hardware such as what Stephen has, and maybe I can, but I would have to purchase the backrest to find out. My concern with non-adjustable hardware is that the backrest would have me to far in front of my push handles to lean into them for balance. With an adjustable backrest, I can adjust the angle of the backrest and the back posts to work to my needs.

                My mounting bracket for my backrest is below the cross bar, yet I have a mid height back. Optimally the bracket should be higher, but I have the aforementioned bolt and if I went higher, the backrest would necessarily go higher, to high, also.
                Last edited by Brianm; 27 Feb 2014, 4:59 PM.
                C5-6 Complete - 8/13/1982

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                  #9
                  Originally posted by stephen212 View Post
                  I've been using hard shell backs since they first came on the market in the mid-'80s and am presently using the ADI carbon fiber back on my chairs. Aside from better postural support (for me), the mounting hardware attachments allow me to have much shorter back posts which allows unobstructed space to move your arms backward without knocking into the back posts.
                  What is your backrest height and angle on this chair Stephen?

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                    #10
                    Originally posted by GinoL View Post
                    What is your backrest height and angle on this chair Stephen?
                    http:///forum/showthread.php?153343-...=1#post1405622
                    stephen@bike-on.com

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                      #11
                      I've been using a Varilite Icon for the past 3 years and always had back pain. The top didn't have enough padding and I also have a weird curve to my mid/lower back from it. 2 weeks ago I got a Matrx MX1 carbon fiber backrest and love it so far. I'm sitting straighter, have better posture, better support and more padding at the top.
                      c6 inc since 2-19-11
                      ex pro-am motocross racer
                      tilite aero z s2

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                        #12
                        I've been using Jay J3s for a few years. I find the support is so much better than cloth that they are well worth the weight increase.

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                          #13
                          Hi,

                          I personally demoed an ADI rigid backrest for a few months now and I love it. I am getting my own ADI backrest install by my DME tomorrow, I can't wait. I previous own a Jay 2 with lateral support. I think a rigid backrest made my sitting position better without adding additional weight to my chair.

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                            #14
                            I use a Jay J2 backrest on mine - it has been an utter lifesaver for me. When I first got the chair, it had a tension adjustable sling back, but for whatever reason - lack of support, etc, it caused me tremendous back pain, and I couldn't be in the chair for more than 15-30 minutes at a time. The need to get a rigid backrest was urgent, so I wasn't picky about choosing. I opted for whichever backrest my dealer could get to me immediately, which just happened to be the J2... and I have to say, it has been absolutely fantastic. The one thing I don't like about it is the cushion/fabric has a tendency to slide/migrate downwards, and leaves the top part of it digging into my back at times - it's metal with a rubber lip on it, so it's not that uncomfortable, but I often find myself re-adjusting the foam cushion to get that covered up. I have also 'experienced' a Jay J3 backrest - traded chairs with one of my friends for a few hours, and I have to say I preferred the J2 more, though as far as cosmetics go - the J3 looks a lot better.
                            Andria - T6/7 Transverse Myelitis - My Chariots: Ki Tsunami Titanium w/ Spinergy SPOX, Jay J2 Seatback, Jay J3 cushion | 2002 Mercedes E55 AMG, Brilliant Silver, Autoadapt Menox control, hard-wired Valentine 1

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                              #15
                              I would like to use a rigid back but the last time I trialled one it ripped my arms up. Has there been any changes in connecting framework that would be okay for a quad that absolutely needs to hook arms for balance purposes. From those that have trialled rigid back's which one is potentially best for someone in my circumstance?

                              Cheers

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