Jump to content

Tryall Rim Erd for Rim swap?


Bigman
 Share

Recommended Posts

Hoping someone can help, I have an original Koxx/Tryall Fluro rim that I want to swap with an Tryall hOle rim, anyone know if the erd is similar enough to use the same spokes? 

These are the 2 rims:

20210613_173054.thumb.jpg.23f27576054470f35f50f936add42b9c.jpg20210503_171128.thumb.jpg.e46ff105c4293ce912b205626f2e3647.jpg

Something in my head is saying they were similar erd, but I am not confident to commit on that. Lol

Thanks 

Adam

Link to comment
Share on other sites

They are surprisingly close - with the spoke hole offset factored in on the hOle rim, that ERD is 542.5. The standard Try-All Rear 26" rim is 541. 

I'd generally put new spokes in regardless though. If they're old spokes, they work harden through use anyway, but also develop notches/grooves in the spokes themselves where they cross in the existing wheel. Those positions will change when you lace them up into the new wheel which is usually a bad time.

  • Like 1
Link to comment
Share on other sites

I haven't done this in a long time (oh OTN and all the mechanical engineers that had to take one metals class in college/Uni). But as a metals guy I have to chime in here in a way that will likely have no effect on the original issue.

Work hardening is indeed rather pronounced it stainless steels and does some fun things to them (try taking a magnet the bend in the spoke vs the straight area, depending on alloy and how much work was done some interesting changes can happen...), but in the case of spokes in service it is not an issue. Work hardening requires plastic deformation (aka when you bend something to the point it does not bend back). So that can certainly happen during wheel building, but should not happen during normal use, unless you bash the spokes hard enough to bend them, but then you are looking for surface defects like the notches and grooves as mentioned. Fatigue is an issue from use, but in my experience with more than a few spokes breaking it once again has to do with scratches and the like on the spokes and going from there or some quality issues around the bend, but not work hardening. Ok I'll stop now, but this kind of stuff really is in my wheelhouse (pun very much intended).

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...
 Share

  • Recently Browsing   0 members

    • No registered users viewing this page.
×
×
  • Create New...