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  1. #1
    Senior Member
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    Where can I buy a "shark tooth"

    Hi

    At a race recently I saw a Tandem with a "shark tooth" fitted. It is a device made out of plastic that fits on the saddle downtube and stops the chain from being dropped to the inside of the chainwheels. The tandem has an 34,9 mm downtube.

    Thanx in advance

    Big H
    The Big H rides:
    Raleigh T6000 road tandem
    el rapido road tandem
    Omega MTB tandem
    Trek 7200 Hybrid
    Gary Fisher Tassajara

  2. #2
    Senior Member Retro Grouch's Avatar
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    Feb 2004
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    St Peters, Missouri
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    I use a gizmo called a "third eye chain watcher." Retail cost is about $10.00. Shouldn't be very hard to find. Some LBS carry them in stock, I think that I've seen them in Nashbar and Performance catalogues too.

  3. #3
    hors category TandemGeek's Avatar
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    Although we don't use one, if we did it would be this one:
    http://www.gvtc.com/~ngear/

    Rich Shapiro sells them about as cheap as anyone else I've ever seen.
    http://www.gtgtandems.com/parts/guides.html

    Of course, other tandem speciality dealers carry them as well and you'll find them elsewhere, e.g., catalogs, etailers, etc...

    Third Eye performs the same function, but uses a "one-size-fits-all" design with a hose clamp that nests inside the one-piece plastic chain guide.
    http://www.excelsports.com/new.asp?p...ajor=6&minor=8

  4. #4
    Senior Member Shroom's Avatar
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    Jun 2004
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    so cool, i wish it'd fit on my regular bike.
    Sam

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