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Kniner Kramp9 RDO

January 24, 2013

Kniner 050

Last night I finished building the front wheel for my new Surly Krampus, and I couldn’t resist doing two stupid things that have surely voided multiple warranties and can’t be recommended against strongly enough:

1) I set the front tire up tubeless using an unhealthy amount of Stan’s tape, two scoops of sealant, and a filleted 24″ inner tube (but I saved almost 400 grams of rotational mass).


2) Without an appropriate bike to put this amazing wheel on, I decided instead put it on the least appropriate bike I could find: my full carbon, full suspension Niner Jet9 RDO!

When the fork is bottomed out does the tire clear the crown? Nope.

Is it safe? Hell no!

Is it fun? Hell yeah!

Kniner 052


9 Comments leave one →
  1. Edwin permalink
    January 24, 2013 1:25 pm

    That’s crazy, but cool. How does bottoming the fork affect axle to crown distance and cause the tire to rub? Other than flex, that dimension doesn’t change.

    • January 24, 2013 1:48 pm

      The axle to bridge distance remains the same, and the clearance there is ample, but when the fork bottoms out the crown (where the steer tube attaches to the fork) lands squarely on the tire:

      Kniner 048

      • Edwin permalink
        January 24, 2013 3:44 pm

        Got it. My bad. Misunderstood the terms. Thanks!

      • Lynx permalink
        January 28, 2013 7:25 pm

        Not to stir anything, but who ever gets full travel on Fox forks anyways, let alone bottoms them out? Unless of course you run them WAY too soft =)

      • January 28, 2013 7:41 pm

        It’s true. In the real world, I’ve never fully bottomed a Fox fork out, but I still bumped the pressure up just a smidge to play it safe.

  2. January 24, 2013 1:57 pm

    Rationally massive!

  3. David Rice permalink
    January 24, 2013 9:29 pm

    You’re a bad influence, Jason!

  4. Brendan permalink
    January 30, 2013 12:11 pm

    Jason, How’d you get the tire? I’ve been waiting for months for QBP to start carrying The Knard.

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