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  1. #1
    Senior Member
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    26" x 2" Schwalbe Kojaks experience? On 24mm AeroHEAT rims?

    Have any of you run the new 26" x 2" Schwalbe Kojaks on a tandem?

    The kevlar bead version weighs just 470g vs. 790g for the Big Apple in the same size.

    Is anyone running a 2" tire on a 24mm wide (outer measurement) rim like the AeroHEAT?

    Schwalbe's UK website says you can run a 2" tire on a 17mm inside dimension rim if you keep the pressure under 4.0 BAR (58 PSI).

    I just picked up a spare Velocity tandem wheelset with AreoHEAT rims and thought to have one set of wheels shod with my BAs for around town or dirt roads, and the other with the lighter Kojaks.

  2. #2
    Senior Member WebsterBikeMan's Avatar
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    Jun 2008
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    Just outside Kitchener, Ontario
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    Nishiki Continental, Bilenky custom travel tinker, home built winter bike based on Nashbar cross frrame
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    According to Velocity (I asked), the Aeroheat measures 20.56 mm inside and 23.80mm outside (amazing tolerances that they specify to the nearest 10 microns, eh? ).

    Sheldon Brown's site has a chart which of course doesn't show 20.56, but 19 and 21, from which I interpolated that the recommended range was 31 to 48 mm. Or thereabouts. 48 mm would be just under 1.9 inches.

    He does say it is conservative, and I've ridden 1.95s for awhile with no apparent ill effects. Not Kojaks, and I don't know how Schwalbe's measurements compare to Continental's measurements.

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