10 mil Mylar Rim Strip - 26g- Mtbr.com
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  1. #1
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    10 mil Mylar Rim Strip - 26g

    Yeah, still a recovering weight weenie...

    I do not think this will work/help for tubeless, but it's quite light and is holding 20psi on the Weinmann HL80 rims "with big holes (32mm)" from BikesDirect. The strip I made is 1-11/16" (43mm) wide and fits right into the shallow center channel of the rim. I used duct tape to join the ends at the rim seam so it's hidden, then made a hole with a drill bit for the valve stem. I forgot to measure, but based on math I think the length is about 70" +/-.

    I made a simple slitter out of a board with 4 screws positioned to guide the material. I just held a blade on it and pulled it through.

    No pic. The material is clear. Let me know if anyone finds a good source for colors.

    The rim strip that came with the rim was 146g.

    -F
    It's never easier - you just go faster.

  2. #2
    Oslo, Norway
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    Holy smoke, 146g is by far the heaviest that I have seen quoted for a 80mm type strip.

    I run Tyvek strips, cut to 97mm width on the 103mm rims.
    Weight is approx. 10g.

    Clear Mylar sounds cool too. I have some green mylar that I picked up for the purpose, but Tyvek (cut from a map) works exceedingly well.

  3. #3
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    Quote Originally Posted by Espen W View Post
    Holy smoke, 146g is by far the heaviest that I have seen quoted for a 80mm type strip.

    I run Tyvek strips, cut to 97mm width on the 103mm rims.
    Weight is approx. 10g.

    Clear Mylar sounds cool too. I have some green mylar that I picked up for the purpose, but Tyvek (cut from a map) works exceedingly well.
    It took me a second to understand "cut from a map"...
    Sounds good! Probably more colors available, too. How big are the holes in the rims where you are using it?

    -F
    It's never easier - you just go faster.

  4. #4
    Oslo, Norway
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    The rim has 35mm center holes and alternating 20mm holes on the sides, so three rows.

    Yep, Tyvek is available in multiple colors, and it is easy to paint as well.

  5. #5
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    Quote Originally Posted by Espen W View Post
    The rim has 35mm center holes and alternating 20mm holes on the sides, so three rows.

    Yep, Tyvek is available in multiple colors, and it is easy to paint as well.
    Will any spray paint work, adhere? I have leftover tyvek kicking around but it's white with lettering. I also have HL 80 rims that I am getting ready to drill out 3/4 inch opposing holes in. Running 26" Qtubes that are 220 grms.
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