need smart thinkers .....

Discussion in 'The Garage' started by stumpy-ktm, Sep 24, 2012.

  1. stumpy-ktm

    stumpy-ktm Adventurer

    Joined:
    Jul 31, 2012
    Oddometer:
    76
    Location:
    kapiti coast New Zealand
    ok , heres the deal , i need to design a way to stop my right foot from coming off the footpeg as i ride . ( i wear a prosthetic leg from above the knee down )... most times while riding i cant feel if my foot is getting vibrated off the peg ,, i dont want a clamp system that holds my foot on , because i still need to get it off the peg quick ... i also have to deal with the angles that my ankle and knee produce so i cant place my foot flat on the peg either .... im thinking something simple like a rod welded to the peg coming forward about 150mm and bent upwards to stop it coming forward and maybe one off the side to stop vibrating off the side either .... any ideas ?... heres how my foot sits . cheers
    [​IMG]
    #1
  2. griffo1962

    griffo1962 Long timer

    Joined:
    Oct 24, 2006
    Oddometer:
    1,630
    Location:
    Carrara, Qld, Australia
    what about a longer & wider footpeg. might assist with this. a friend back in the '90s did this for his prosthetic foot.
    #2
  3. stumpy-ktm

    stumpy-ktm Adventurer

    Joined:
    Jul 31, 2012
    Oddometer:
    76
    Location:
    kapiti coast New Zealand
    i know i shouldnt really care ...but i kinda dont want to look like i need it ..... as minimalist as i can go .... ....kinda hard to explain ...
    cheers mate
    #3
  4. 100mpg

    100mpg Self Imposed Exile

    Joined:
    Jan 16, 2006
    Oddometer:
    17,565
    Location:
    NA
    Brain storming. I love it. First idea is this. the cleats sitting in the foot peg should hold the foot in place unless you hit a lot of rough bumpy roads. http://www.constructiongear.com/32-..._content=pla&gclid=CNOEsKeC0LICFQpN4AodDGUAiw

    But that might make some people (ok, everyone) angry when you walk on their floors. :D

    Then I though of a piece of Velcro on the side of your shoe and a piece on the frame of the bike. Slap you foot against the Velcro and it stays. Adjust the size of the Velcro if you need more hold power.

    The pic didnt show at first I I started thinking about a brace about the size and shape of the toe section of your shoe. when I saw the pic, I dont think that would work due to the angle.

    How about Magnets? a strong magnet in your shoe and a metal foot rest. Or add a piece of steel to the footrest.

    by posting these idea I claim sole ownership and if anyone steals them and gets rich, you owe me. :deal
    #4
  5. griffo1962

    griffo1962 Long timer

    Joined:
    Oct 24, 2006
    Oddometer:
    1,630
    Location:
    Carrara, Qld, Australia

    I didn't mean a running board sized peg just something slightly wider and longer. would still look like a "normal" peg. also some of the ideas posted by 100mpg in conjunction with this might be ideal. :D
    #5
  6. jesusgatos

    jesusgatos fishing with dynamite

    Joined:
    Nov 17, 2006
    Oddometer:
    2,437
    Location:
    on the road
    What about using a clipless mountainbike pedal?
    #6
  7. defib

    defib Portly Paranurse

    Joined:
    Jul 26, 2011
    Oddometer:
    260
    Location:
    Winslow AZ.
    Maybe rare earth magnets
    #7
  8. stumpy-ktm

    stumpy-ktm Adventurer

    Joined:
    Jul 31, 2012
    Oddometer:
    76
    Location:
    kapiti coast New Zealand
    all good ideas boys , i have thought of the magnet idea as well since the footpeg is steel anyway ....i think a combo of all of the ideas ....
    cheers:clap
    #8
  9. jesusgatos

    jesusgatos fishing with dynamite

    Joined:
    Nov 17, 2006
    Oddometer:
    2,437
    Location:
    on the road
    Would really encourage you to consider adapting a bike pedal to that side of the bike.
    #9
  10. CycleDoc59

    CycleDoc59 Wrench Rider

    Joined:
    May 24, 2006
    Oddometer:
    984
    Location:
    East Virginia
    I met a rider a once with your same situation. He just used a bungee to hold the foot
    in place, but it would not prevent him from putting that foot on the ground if necessary.
    #10
  11. Spacelord

    Spacelord Mutha Mutha

    Joined:
    May 14, 2008
    Oddometer:
    875
    Location:
    Dawsonville Ga.

    I would try this. Get one and take it to a welding/fab shop and tell em what you trying to do. If you were closer to me I would do it for you.
    #11
  12. Bounder

    Bounder ExternallyDisplaced

    Joined:
    Mar 2, 2011
    Oddometer:
    971
    Location:
    West Cork, Ireland
    Can you get Pivotpegz for the KTM? That would deal with the angles involved and then some old magnets out of a Hard drive should be plenty of sticking force to hold your foot in place, especially if you bond a steel plate to the sole of your riding boots.
    You ever ride round Makara? Some good trail riding there.
    #12
  13. griffo1962

    griffo1962 Long timer

    Joined:
    Oct 24, 2006
    Oddometer:
    1,630
    Location:
    Carrara, Qld, Australia
    trouble with mtb clipless pedals is you need to rotate your foot to get out of them. maybe the OP doesn't have that range of movement :evil
    #13
  14. aussie_king_mick

    aussie_king_mick Been here awhile

    Joined:
    Jul 4, 2008
    Oddometer:
    166
    Location:
    Sydney, Australia
    FYI - a couple of interesting resource ideas:<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:eek:ffice:eek:ffice" /><o:p></o:p>
    1/ Shimano make a couple of different cleats to fit their mountain pedals; the M-51's and the M-56's. These are the M-51's, and they release by twisting your heel out to the side only. The M-56's will release by twisting your heel in any direction, and are better suited for spin class and stationary bike applications.<o:p></o:p>
    <o:p></o:p>
    2/ http://en.wikipedia.org/wiki/Bicycle_pedal<o:p></o:p>
    <o:p></o:p>
    #14
  15. LuciferMutt

    LuciferMutt Rides slow bike slow

    Joined:
    Aug 19, 2008
    Oddometer:
    11,524
    Location:
    New(er) Mexico

    My thoughts too.

    I honestly like the velcro idea...

    I'd be wary of anything like a rod sticking off the peg, as could become quite a hazard in a crash, and more likely will catch your pant leg when you try to put your foot down.


    BTW..mad props to the OP for riding on a prosthesis! :clap :bow
    #15
  16. NewYorkLuke

    NewYorkLuke Been here awhile

    Joined:
    Oct 19, 2010
    Oddometer:
    347
    Location:
    Upstate NY
    I was thinking the bike pedal also, I dont have one in front of me but I would think you could remove the clip section and possibly mount it to the factory moto foot peg for a more oem look. But again this idea only works assuming the range of motion is there. Otherwise the magnet would a good idea but both the kind of limit you to food apparel you have adapted as well. Maybe a bike cage for the pedal the little plastic deal that you slide your shoe in, I think its like one step before clipless pedals ?
    #16
  17. Twilight Error

    Twilight Error Going nowhere slowly

    Joined:
    May 18, 2002
    Oddometer:
    22,807
    Location:
    The Submarine Mines
    A Speedplay pedal might be the answer - unlike most mtb pedals, it offers no rotational resistance - you've just got to be able to pivot far enough to release the cleat.
    #17
  18. kantuckid

    kantuckid Long timer

    Joined:
    Nov 29, 2007
    Oddometer:
    3,277
    Location:
    Kentucky-Eastern that is!
    I like the velcro idea as you don't need anything mounted on the bike except it. There does need to be a good contact/touch point other than sole of shoe. Be aware that there are industrial velcro products that are not found in Walmart & they are the ones to use if using a pressure point fix. There also might be some possiblities in using another bicycle fix- simply wrap a velcro pant leg strap around the prosthetic leg & the bike. You could use a "somewhat loose" attachment so it doesn't foul you up in a spill.
    #18
  19. Twilight Error

    Twilight Error Going nowhere slowly

    Joined:
    May 18, 2002
    Oddometer:
    22,807
    Location:
    The Submarine Mines
    If you go the velcro route, 3M Dual Lock is the stuff to use. Instead of hook and loop fabric, interlocking mushroom heads are used. Very strong and much less likely to foul with trail debris than hook'n'loop.
    #19
  20. bomber60015

    bomber60015 Anatomically Correct

    Joined:
    Sep 11, 2008
    Oddometer:
    15,141
    Location:
    Chicago-ish
    that dual lock stuff is tenacious . . . . . it might not allow the rapid removal the OP wants (and needs) . . . . .

    the mountain bike deal sounds liek the best way to proceed, given the stealthy requirement (which I grok entirely).
    #20