Tandems of the forum

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  • Yup!

    Though I'm my case there's an EBB which simply doesn't provide enough adjustment when used alone. But I love the floating ring so much I'll keep it even when chain stretch allows me the remove a link and adjust only with the EBB (it's probably at that point already).

    It's a 53t Dura Ace 7400 ring but I'm keeping my eyes open for a comedy 55-60t ring to use instead, just as a willy-waving exercise. I can adjust the EBB to use any large ring. Anyone selling a dinner plate please do holla!

  • I'm keeping my eyes open for a comedy...dinner plate

    If you were using ⅛" chain, you might be interested in the 65T TA Cyclotouriste that's sitting in my parts bin.
    For serious comedic effect, while not a strict geometric solution, any arbitrary curve of constant width should function as a ghost ring since some degree of backlash is necessary at some points in the rotation of any non-unity ratio chain drive in order to accommodate chordal action


    1 Attachment

    • SuperTriang.jpg
  • Not sure if this mad bargain has been posted here... Sorry @knowthejo if you have done this already...

    https://www.lfgss.com/conversations/3523­74/#comment15465389

    Never saw it fully built but remember the frame and some stuff you were starting to gather for it, everything very very very beautiful! If we didn't already have a tandem that isn't being used... (although I've ordered the kiddy cranks adapter from sjs yesterday so there's hope...)

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Tandems of the forum

Posted by Avatar for edmundro @edmundro

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