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Category: EC sports

Modifying Shimano Ultegra road bike setup on a Colnago C40 for left handed use - second approach [technical right below elbow amputee core focus work / bike adaptation]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Modifying Shimano Ultegra road bike setup on a Colnago C40 for left handed use - second approach [technical right below elbow amputee core focus work / bike adaptation]; published January 27, 2018, 15:30; URL: https://www.swisswuff.ch/tech/?p=8196.

BibTeX: @MISC{schweitzer_wolf_1574228117, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Modifying Shimano Ultegra road bike setup on a Colnago C40 for left handed use - second approach [technical right below elbow amputee core focus work / bike adaptation]}}, month = {January},year = {2018}, url = {https://www.swisswuff.ch/tech/?p=8196}}


After a first approach, where also the history and idea where it came from is detailed [link], I now set up and tested a second approach to modifying my Colnago C40 carbon bike with a triple chainring Shimano Ultegra chainset.

The extensive testing of my first approach that I had performed there lead to a range of concise detailed issues and problems. There were now addressed, all, and thus a second (and significantly better) approach resulted.

As stated before, no disability sports advocate specializing in road bikes and no bicycle mechanic specializing in individualization and custom solutions over the years ever thought this was possible in this way. They all said it could not be done. And I had asked a few of them, since it had bugged me a lot. And as I had sold my Cannondale road bike after the amputation, thinking there was no way, I now got myself a road bike back and decided to go down my own path to really use it the way it is meant to be used.

Generally and as part of riding a road bike, I wanted fast and comfortable gear switching, fast and accessible and comfortable braking, and I wanted to be able to enjoy various and if possible equally comfortable sitting positions or body positions. A great road bike trip may be a lot longer than a fast mountain bike trip into the forest. Last but not the least, as amputee my stump usually would suffer from vibration induced pain after 20 minutes  particularly with hard connectors such as the Mert or Freelock adapters, so padding definitely was an issue.

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Modifying Shimano Ultegra road bike setup on a Colnago C40 for left handed use - first approach [technical right below elbow amputee core focus work / bike adaptation]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Modifying Shimano Ultegra road bike setup on a Colnago C40 for left handed use - first approach [technical right below elbow amputee core focus work / bike adaptation]; published December 3, 2017, 15:11; URL: https://www.swisswuff.ch/tech/?p=7816.

BibTeX: @MISC{schweitzer_wolf_1574228117, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Modifying Shimano Ultegra road bike setup on a Colnago C40 for left handed use - first approach [technical right below elbow amputee core focus work / bike adaptation]}}, month = {December},year = {2017}, url = {https://www.swisswuff.ch/tech/?p=7816}}


I got myself a Colgnago C40 carbon road bike / race bike / Rennrad for leisure amateur purposes. That is, for the colloquial ride. With that, I am not a professional or competitive racer. Modifying my Shimano Ultegra road bike setup for left handed use therefore aims towards leisure purposes.

How to go about riding a road bike as arm amputee. This is the first approach and test. If you are after the improved set-up, head over to the page with the second approach [link] because that really worked a lot better.

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Grip 5 Evolution Prehensor TRS - Cybathlon winning device - first bike ride test [video / 1:1]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Grip 5 Evolution Prehensor TRS - Cybathlon winning device - first bike ride test [video / 1:1]; published January 21, 2017, 18:01; URL: https://www.swisswuff.ch/tech/?p=7119.

BibTeX: @MISC{schweitzer_wolf_1574228117, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Grip 5 Evolution Prehensor TRS - Cybathlon winning device - first bike ride test [video / 1:1]}}, month = {January},year = {2017}, url = {https://www.swisswuff.ch/tech/?p=7119}}


2 Comments

I use the voluntary closing (VC) Grip 5 Evolution Prehensor by TRS on my body powered prosthetic arm - the terminal device that Bob Radocy used when winning both heat and final of the Cybathlon prosthetic arm race - for a first bike ride. No modifications of bicycle, handlebar or prosthetic arm necessary whatsoever.

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TRS Ski-2 Terminal Device [first test]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - TRS Ski-2 Terminal Device [first test]; published February 29, 2016, 11:39; URL: https://www.swisswuff.ch/tech/?p=5731.

BibTeX: @MISC{schweitzer_wolf_1574228117, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - TRS Ski-2 Terminal Device [first test]}}, month = {February},year = {2016}, url = {https://www.swisswuff.ch/tech/?p=5731}}


I had ordered a TRS Ski-2 terminal device a while back but only now got around to actually mounting it and putting it to use. It is a great device for the demanding skier.

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Bimanual activities beyond comfort zone - bike tour over Stelvio Pass [yoo hoo]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Bimanual activities beyond comfort zone - bike tour over Stelvio Pass [yoo hoo]; published July 5, 2015, 10:27; URL: https://www.swisswuff.ch/tech/?p=5030.

BibTeX: @MISC{schweitzer_wolf_1574228117, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Bimanual activities beyond comfort zone - bike tour over Stelvio Pass [yoo hoo]}}, month = {July},year = {2015}, url = {https://www.swisswuff.ch/tech/?p=5030}}


Usually, the simple and bare if not almost violent beauty of hard work gets forgotten. This is, when one focuses only on "bionic" arms which seems to be a current societal and academic obsession.

Prosthetic arms are only really needed, however, and that is if one does a truly bimanual activity. That is something one can not really do that well with one arm. Given that other bikers bike one armed, my aging body does a lot better with posture correction on the bike (link) and a more rather than less symmetric posture. With that I use a Mert arm (link) to ride my bike(s) (link) which I do entirely recreationally (link). Recreationally does not mean this is easy, or easy to accomplish, or, mild, or boring, or in any other way accessible for the average pansy boy equipped with the average myo arm. Just so we got that out of the way.

So, last week, I biked up, from Prad (South Tyrolia / Alto Adige, Italy), to the Stelvio Pass (from Wikipedia: the Stelvio Pass (Italian: Passo dello Stelvio; German: Stilfser Joch) is a mountain pass in northern Italy, at an elevation of 2,757 m (9,045 ft) above sea level. It is the highest paved mountain pass in the Eastern Alps, and the second highest in the Alps, just 13 m (43 ft) below France's Col de l'Iseran (2,770 m (9,088 ft)), over the Umbrail Pass, via Santa Maria, Mustair and Glurns back to Prad, where we then attended the swimming pool.

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Is it possible, with a physical handicap, to participate in international sports competitions? [peek glance comment to some assertions made by Cybathlon organizers]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Is it possible, with a physical handicap, to participate in international sports competitions? [peek glance comment to some assertions made by Cybathlon organizers]; published May 26, 2014, 05:45; URL: https://www.swisswuff.ch/tech/?p=3056.

BibTeX: @MISC{schweitzer_wolf_1574228117, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Is it possible, with a physical handicap, to participate in international sports competitions? [peek glance comment to some assertions made by Cybathlon organizers]}}, month = {May},year = {2014}, url = {https://www.swisswuff.ch/tech/?p=3056}}


Is Karate for amputees called 'partial arts'? - [link]

 

It was alleged recently that one required "technical" prostheses in order to "participate in international sports competitions" when having a physical handicap.

Here: [http://www.myhandicap.ch/cybathlon.html] "Der Cybathlon eröffnet Menschen mit Behinderung die Möglichkeit, an einem internationalen Wettkampf teilzunehmen, was bisher aufgrund der restriktiven Regeln gegenüber dem Einsatz von Technik im internationalen Sport ausgeschlossen war" - The Cybathlon opens up participation in international competitions to people with disabilities, which due to restrictive regulations was so far not possible in international sports. (...) -- Text: Prof. Dr. Robert Riener, ETH Zürich & Uniklinik Balgrist - 04/2013

With this preposterous and arrogant statement, these individuals go too far.

The ultimate currency is respect - and this statement here is quite simply the pure opposite.

This is, superbly politely put, total nonsense. What it really means and is, that goes a lot further. But to give a short overview:

  • The Cybathlon is the last thing that we need in order to open up any possibilities as far as we can see now. There are a few roboticists, admitted, but then what. What do they "open"? Worse, since when did they open anything for arm amputees?
  • The individuals behind the text do not know shit from shinola inasmuch as international sports is concerned. They have no idea about actual regulations in sports inasmuch as participation of handicapped people in international competitions is concerned. That is obvious. Why then write new regulations? If they do not even have an idea about current ones? Is that fundamentally necessary?
  • In fact, they probably know shit about sports and prostheses. Or let us rephrase. What prosthetic arms - model, make, year, motor type, etc. - actually and factually aid and support (rather than hamper), say, freestyle sprint swimming over, say, 50 meters? Was that a rhetorical question?

They may be right about some sports and about some people with some handicaps, at certain occasions. But written as generalization as above, they clearly overstep their boundaries. There are two simple case examples that quite simply prove otherwise, and a number of further illustrative examples, without any attempt to be complete or comprehensive.

 

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Bethany Hamilton's "Soul Surfer" (2011) biographical movie [review]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Bethany Hamilton's "Soul Surfer" (2011) biographical movie [review]; published September 24, 2011, 01:54; URL: https://www.swisswuff.ch/tech/?p=486.

BibTeX: @MISC{schweitzer_wolf_1574228117, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Bethany Hamilton's "Soul Surfer" (2011) biographical movie [review]}}, month = {September},year = {2011}, url = {https://www.swisswuff.ch/tech/?p=486}}


I now sat down to watch Bethany Hamilton's "Soul Surfer" movie [SONY]. It is relevant to pay attention to possibly faked or real) arm amputees in the media and, particularly, in movies. They shape our image of us ; )

In a nutshell, she advises to pray, surf, work and love.

Apparently it is a movie to convey a message of empowerment - and I found that in fact it is. And apparently she is addressing the rest of the world, the Dylans, the Logans, the Stephanies, (and anyone else who is a fan of her) - and that really is a nice thing to do. Doing so without asking, that's what she is doing : ) The world needs more people like that.

Really, the movie is a docu drama to tell the story of Bethany Hamilton that got bitten by a shark at the age of 13 while already living the life of a soon-to-become pro surfer in Hawaii.

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Skiing (downhill skiing, alpine skiing) [skillz]

Cite this article:
Wolf Schweitzer: Technical Below Elbow Amputee Issues - Skiing (downhill skiing, alpine skiing) [skillz]; published December 13, 2010, 00:17; URL: https://www.swisswuff.ch/tech/?p=375.

BibTeX: @MISC{schweitzer_wolf_1574228117, author = {Wolf Schweitzer}, title = {{Technical Below Elbow Amputee Issues - Skiing (downhill skiing, alpine skiing) [skillz]}}, month = {December},year = {2010}, url = {https://www.swisswuff.ch/tech/?p=375}}


After getting back to skiing at around -15 deg C (~ 5 deg F), I established the following:

  • there were technical issues regarding skiing itself
  • there were issues regarding low temperatures

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