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  1. #1
    Join Date
    Aug 2010
    Location
    Park City
    Posts
    1,857

    Snow riding tire pressure question

    I have to get in bike shape to take a bunch of kids to Moab on spring break. Tried to lower the tire pressure on my first attempt tonight and quickly blew the bead on my tubeless set up. Any tricks for running these low pressures on a non fat bike tire.

  2. #2
    Join Date
    Dec 2007
    Location
    Hell Track
    Posts
    13,845
    How low are you going that you're blowing beads quickly? If you're below 17-18psi, it's probably just not really going to work. And even at those pressures, if you're not running a tire with a heavier casing, it's probably not going to last very long. Tire inserts (cush core, etc.) will let you run a bit lower without issues.

  3. #3
    Join Date
    Feb 2012
    Location
    Missoula
    Posts
    2,104
    Depends a lot on how much you weigh and how big the tires are. And then other stuff like the casing and how they fit on the rims and the gauge you're using.

    A guy who only weighs 140lbs can ride a 2.2 at 15psi just fine probably, especially in soft conditions.

    For me if it's snowy/muddy/soft/slippery I'm comfortable going down 2-3psi from usual.

  4. #4
    Join Date
    Apr 2016
    Posts
    1,064
    Check out this guy's website and blog, he does a lot of fat bike snow riding on <5psi. https://lacemine29.com/

  5. #5
    Join Date
    Jun 2008
    Location
    SLCizzy
    Posts
    3,554
    Wanna borrow my Ice Cream Truck for a bit?


    Sent from my iPhone using TGR Forums

  6. #6
    Join Date
    Aug 2010
    Location
    Park City
    Posts
    1,857
    Thanks for the generous offer! I don’t want to be responsible for someone else’s stuff. I’ll get it right with my old altitude!

  7. #7
    Join Date
    Nov 2003
    Location
    none
    Posts
    8,335
    Just ride early in the AM, when it’s still hard. I rode to the Bell’s this morning and it was getting soft by 11.

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