Cycling Equipment · Public discussion

Rear Triangle: Was 135mm, now 138mm ??

Started by x · · Last activity · 3 posts · 547 views

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Cycling Equipment
Published
21 November 2003
Last activity
22 November 2003
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x
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  1. Ellsworth Isis.

    Never crashed very hard.

    Not ridden hard - except that rider is about 210# and has been trying to learn how to
    bunnyhop....and broke a previous frame at the shock-attachment weld and also broke a TruVativ crank
    about a year later...

    Rear triangle/pivot arm axle spacing was a perfect 135mm when new - the wheel just slid in there
    perfectly.

    Now it's about 138mm. Not a big deal on the face of it - just a little twirling of the skewer... but
    it's got me wondering why. I can't remember doing anything that would seem to have caused it.

    They've got this thing covered with some really heavy coating (so robust, I'd hesitate to call it
    paint...) so I can't inspect it for cracks.

    But cracking is the root of my little paranoia here.... I just don't want this thing falling apart
    while underway....

    Called Ellsworth and they'd never heard of such a thing.

    Somebody tell me that this is not a failure looking for a place to happen.
    --
    PeteCresswell

  2. In article said:

    Ellsworth Isis.

    Never crashed very hard.

    Not ridden hard - except that rider is about 210# and has been trying to learn how to
    bunnyhop....and broke a previous frame at the shock-attachment weld and also broke a TruVativ crank
    about a year later...

    Rear triangle/pivot arm axle spacing was a perfect 135mm when new - the wheel just slid in there
    perfectly.

    Now it's about 138mm. Not a big deal on the face of it - just a little twirling of the skewer...
    but it's got me wondering why. I can't remember doing anything that would seem to have caused it.

    This does not seem very plausible, just riding/hopping around, and having the dropouts spread wider
    while a wheel is clamped in the bike.

    --Paul

  3. RE/

    Quoted message said:

    This does not seem very plausible, just riding/hopping around, and having the dropouts spread wider
    while a wheel is clamped in the bike.

    That's my reaction....so the question remains: How/Why?
    --
    PeteCresswell

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