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Thread: Limiting Straps

  1. #1
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    Limiting Straps

    What size hardware (spacers and screws) do I need for installing the HR limiting straps on the rear (in order to try to limit rod ends stripping etc)?

    Also, how have you installed your straps?? Through the metal chassis brace or alongside the shocks?
    https://www.youtube.com/iftibashir

  2. #2
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    https://www.homedepot.com/p/Everbilt...9238/204986391
    https://www.homedepot.com/p/M3-0-5-x...2748/204283766
    I used 80mm straps, through the brace. I dont like the looks of the along the shock method.

  3. #3
    RC Qualifier atoms's Avatar
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    I installed the metal brace OVER the plastic one. Some people choose to remove it... not sure why you'd want to reduce your chassis brace from 7 points of connection to 3. *shrug*

    https://www.amazon.com/gp/product/B00N62UTAK/

    I used these 90mm straps through the brace with 20mm screws and no spacers and it's perfect. The suspension is stopped by the strap just a hair before full extension.

    https://www.amazon.com/gp/product/B0178GRMK4/

    Here's what the install looks like:

    If it's not breaking, you're not doing it right.

  4. #4
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    one thing you have to take in to account is stretching over time.

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    Cheers guys.
    I have the brace and 90mm straps already. Was looking to install the way Atoms has above but wasnít sure which way was more effective. Hoping it does the job rather then go through rod ends!
    What I may do is if the 90mm are a hair long I may fold in half and sew the bend together to shave down a couple of mm to take account for stretching etc.
    Will pick up a set of 20mm screws!
    https://www.youtube.com/iftibashir

  6. #6
    RC Qualifier atoms's Avatar
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    Quote Originally Posted by IftiBashir View Post
    Cheers guys.
    I have the brace and 90mm straps already. Was looking to install the way Atoms has above but wasn’t sure which way was more effective. Hoping it does the job rather then go through rod ends!
    What I may do is if the 90mm are a hair long I may fold in half and sew the bend together to shave down a couple of mm to take account for stretching etc.
    Will pick up a set of 20mm screws!
    Like I said, there's a little room for stretching with the 90mm the way I have them setup... remember it has to OVER extend to pull shock ends, and it's not even fully extending now. I'd install as-is and just keep an eye on them. I haven't noticed stretching yet.
    If it's not breaking, you're not doing it right.

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    Quote Originally Posted by atoms View Post
    Like I said, there's a little room for stretching with the 90mm the way I have them setup... remember it has to OVER extend to pull shock ends, and it's not even fully extending now. I'd install as-is and just keep an eye on them. I haven't noticed stretching yet.
    Sweet. Thanks!
    https://www.youtube.com/iftibashir

  8. #8
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    Traxxas aluminum spacers TRA2539.

    Used these between my strap ends. Used the 90mm strap (couldn't find the shorter ones) through the aluminum chassis brace. Then I added a couple of zip ties on the chassis brace to keep the limiter straps from sliding all the way down, effectively shortening them at little bit.

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    Question - so the chassis brace/limiting straps setup is to reduce (hopefully eliminate) what? Is it the shock rod ends or the rear toe link ends, or both??

    Has anyone tried aluminium rod ends with thread lock? Should save from stripping threads, no?

    Im thinking of doing all 3 - the chassis brace, aluminium shock ends, and limiting straps.....
    https://www.youtube.com/iftibashir

  10. #10
    RC Qualifier atoms's Avatar
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    Quote Originally Posted by IftiBashir View Post
    Question - so the chassis brace/limiting straps setup is to reduce (hopefully eliminate) what? Is it the shock rod ends or the rear toe link ends, or both??

    Has anyone tried aluminium rod ends with thread lock? Should save from stripping threads, no?

    Im thinking of doing all 3 - the chassis brace, aluminium shock ends, and limiting straps.....
    Pulling shock ends off by over extending when exiting a jump or landing funny.
    If it's not breaking, you're not doing it right.

  11. #11
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    Quote Originally Posted by atoms View Post
    Pulling shock ends off by over extending when exiting a jump or landing funny.
    Shouldn't metal shock ends solve this due to the meta thread?
    https://www.youtube.com/iftibashir

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    Dam good idea to put the metal one on the top of the original brace I’m doing that for sure thanks

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    Good luck finding metal rod ends I havenít been able to find anyb
    Quote Originally Posted by IftiBashir View Post
    Shouldn't metal shock ends solve this due to the meta thread?

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    Quote Originally Posted by Flores7261 View Post
    Good luck finding metal rod ends I haven’t been able to find anyb
    Was thinking these for shock ends - rod ends Ive not come across yet.....
    https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
    https://www.youtube.com/iftibashir

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    Quote Originally Posted by IftiBashir View Post
    Was thinking these for shock ends - rod ends Ive not come across yet.....
    https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
    I use these. Havent had any issues at all. I didnt with the original either because I never even drove it without the 80mm straps put on.

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    Atoms, i tried putting my brace over the existing but it looks like i need longer screws. Did you use longer?

    Sent from my SM-G930V using Tapatalk

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    Quote Originally Posted by jhinesvl View Post
    Atoms, i tried putting my brace over the existing but it looks like i need longer screws. Did you use longer?

    Sent from my SM-G930V using Tapatalk
    Uh... I don't recall... I did buy longer screws for something.. but I can't remember if that was it.
    If it's not breaking, you're not doing it right.

  18. #18
    RC Champion RICK DIZZLE's Avatar
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    Was working on mine today "unrelated to this" and I did confirm you would need longer screws to run both the stock brace with the aluminum brace on top.

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    Quote Originally Posted by RICK DIZZLE View Post
    Was working on mine today "unrelated to this" and I did confirm you would need longer screws to run both the stock brace with the aluminum brace on top.
    Yep, M3x40mm. The M3x35mm that comes with the brace will work, but IMHO there is not enough threads in the bulkhead and may pull out the threads. The stock bolt is M3x30mm FYI.
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  20. #20
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    Quote Originally Posted by Neileo View Post
    Yep, M3x40mm. The M3x35mm that comes with the brace will work, but IMHO there is not enough threads in the bulkhead and may pull out the threads. The stock bolt is M3x30mm FYI.
    odd, the old and new screws are the same length that came with it. The blue brace that is

  21. #21
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    Quote Originally Posted by atoms View Post
    I installed the metal brace OVER the plastic one. Some people choose to remove it... not sure why you'd want to reduce your chassis brace from 7 points of connection to 3. *shrug*

    https://www.amazon.com/gp/product/B00N62UTAK/

    I used these 90mm straps through the brace with 20mm screws and no spacers and it's perfect. The suspension is stopped by the strap just a hair before full extension.

    https://www.amazon.com/gp/product/B0178GRMK4/

    Here's what the install looks like:

    Just wrapping the strap around the metal brace does nothing to limit suspension travel. You have to go through the plastic brace and metal brace, then the travel is arrested the last 1/4".

  22. #22
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    I made my own and connect them at the end of the pushrods and at the 4mm brace bolt in the rear body/wingmount thing. Then it helps protect the pushrod ends and shock ends.

    I used some sheathed 1/8" (I think, been a over a year since I made them) steel cable. Figured out the length I needed, then made a jig on a piece of wood to wrap the cable around, twisted it around itself, soldered it, then put heat shrink on it so it wasn't so ugly. I ran these on my ERBEv1 and I transferred them over the the 2.0 roller when I got it.

    You can see them here:


    This is how they are attached at the bottom, old photo when it was a ERBEv1:


    Now the only time I break a rod end (on the rear shocks/pushrods) is when I set the stance too tall and they over compress everything.
    Last edited by olds97_lss; 10-20-2019 at 03:33 AM.
    Expert rigging at it's best!

  23. #23
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    yesterday in a jump with bad landing both low rear rod ends came out
    I have the limiting belts with length 90 that pass through the blue aluminum bracket and I had inserted the push rods in the outer hole (where Erevo remains lower)
    I read here that you need to shorten the straps but anyway these rod ends are stupid their plastic bends and the holes widen under the stress of a jump
    I would like to know if anyone uses Hot Racing aluminum rod ends or Rpm plastic ones
    traxxas should update Erevo with a new version to limit this problem ..... It is not required much after all

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  24. #24
    RC Champion RICK DIZZLE's Avatar
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    So what's the consensus on limiting straps, 85mm or 90mm? And how tall of a spacer should be used in between the strap ends where the attach to the rocker?

  25. #25
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    I think the limiting straps avoid fractures to the shock,rockers and upper rod ends but not the lower rod ends

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  26. #26
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    however in my opinion the 90mm do not limit
    note that in this video he needs a spacer
    https://youtu.be/MJOgcxF_D4w
    so why not put the 80mm ones?

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  27. #27
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    Quote Originally Posted by emi202071 View Post
    however in my opinion the 90mm do not limit
    note that in this video he needs a spacer
    https://youtu.be/MJOgcxF_D4w
    so why not put the 80mm ones?

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    While I can't answer why the 'Outsourced RC' Guy felt that he needed a spacer (no, I did not read all 273 comments to see if it was addressed there or not), I can point out that he uses the 100mm straps (not the 90 as you seem to be indicating). Jump to 6:42 to verify for yourself.

    I put 90mm straps on my 2.0 (based on the advice on this forum), and have not had a shock rod end pull out nor a pushrod end nor toe end get damaged... yet. :-) I've not had the truck all that long, and I don't bash as hard as the average You-Tube-er, it seems. For me, the straps were cheap insurance, and if I start having toe/pushrod/shock end issues, I might investigate shorter straps, but at the moment, I'm good.

    Good Luck, and have fun! --BillJ

  28. #28
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    I noticed that he uses 100 straps but with that spacer those straps get much shorter enough to be shorter than 90
    my 90 limiters do not stop the arms before the maximum extension
    do you think my shock absorber preload is perhaps too large?

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  29. #29
    RC Champion RICK DIZZLE's Avatar
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    I read the comments from the video and he states that yes with the 100mm straps you will need to run that extra spacer on the rear chassis brace as the 100mm are too long. He stated that using a 90mm you would not need the spacer in the chassis brace. My brother started with 90mm and then went to 85mm and says his 85mm work great set up just like the video without the spacer in the middle of the chassis brace. I cant speak from personal experience, but my bro says he is happy with the 85mm.

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