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  1. #1
    Easy like Sunday morning white lobster's Avatar
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    Apr 2005
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    Bead seat diameter on 19" trials tire?

    Any trialsin folks out there know the bead seat diameter of a 19" (sometimes called 20 x 2.50") rear trials tire? Maxxis says 387mm, Monty says 396mm, and another source told me 382mm. No help to be found from the usual oracles (Howard Sutherland, Sheldon Brown) on this one. Does anyone have a trials tire laying around with the ISO size molded into the sidewall?

    Thanks,
    Patrick

  2. #2
    The Red Lantern Rev.Chuck's Avatar
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    Apr 2003
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    Raleigh NC
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    I have a Monty tire here. They call it a 15. Has a dot stamp but it does not list the iso # Sorry, try www.biketrials.com
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    I am in the woods and I have gone crazy.

  3. #3
    Not-so-Senior Member
    Join Date
    Jul 2003
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    Norfolk, England
    My Bikes
    Orbea Enol roadie, Fly Micromachine BMX, Fort Track fixed
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    Is there any kind of bike you don't own Chuck?

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