rec.sport.unicycling · Public discussion

Cutting the nobs on a Knobby

Started by dogbowl · · Last activity · 5 posts · 320 views

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rec.sport.unicycling
Published
29 June 2005
Last activity
29 June 2005
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dogbowl
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5
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  1. Original post
    dogbowl
    Archived post
    #1

    So, I just put a WTB Moto Raptor on my groovy souped-up Sun 28er.
    However, with the Sun frame being what it is, I discovered with no
    suprise that the outer nobs of the Moto Raptor were bumping against the
    frame's interior. It could still spin, but not without that constant
    minuscule contact.
    So I took an exacto knife, and carefully sliced a millimeter off each
    nob that hit the frame--just about every outer nob had to be adjusted.
    I took her outside for a test run--so far she rides great! Tomorrow I'll
    give her a couple of miles on the bike path.
    My Question:
    Has anyone ever sliced off nobs from a knobby tire for this reason or
    any other? Is it bad for the tire? Or, is it just another one of those
    adjustments that unicyclers make to cycling parts that non-unicyclers
    find to be out of the ordinary?

    --
    dogbowl - Member, Sun28 appreciation Society

    So I ride a Sun 28. You gotta problem with that?

    All I want out of life is to be able to ride the unicycle while smoking
    a cigar at the same time. Is that too much to ask for?
    www.dogbowl.com / www.eyeballplanet.com

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  2. tholub
    Archived post
    #2

    Paul Colley cut the knobs off a Specialized 24x2.5" at Moab last year so
    it would fit in his Torker LX frame. It makes the tire handle a little
    funny in sharp turns, but there's nothing particularly bad about it. In
    general, though, I think you'd be better off with a smaller tire that
    actually fits.

    --
    tholub - Kinetic Sculptor
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  3. shibumi
    Archived post
    #3

    That's what I 've been trying to do. I ordered that tire at 3 different
    shops and no one came through. I guess it's not worth the sale to
    special order it. I don't think cutting the knobby will hurt, as long
    as it's very little. I think they do it in motorcross, although thats a
    bigger knobby. So how does the tire ride on the street? Is there a
    very noticable difference? As for me, I might be getting a KH 29 soon,
    so I'll hold off on buying the tire. You should also look into the Nano
    Raptor, it's a little more between street and dirt. It would also fit
    the Sun's frame.

    I hope you are you going to the Greenbelt Ride this weekend with that
    tire!

    --
    shibumi - On A Uni

    Jeff
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  4. uni57
    Archived post
    #4
    dogbowl said:

    *I ended up with a tiny pile of about fifty or more little rubber
    rectangles of about one millimeter thick*


    You could Crazy Glue them to the side of a different tire. It might
    look cool.

    --
    uni57 - David C. Lowell

    dave lowell (uni57)
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  5. maestro8
    Archived post
    #5

    My buddies who are into "rockcrawling" have a special tool that's a lot
    like a hot knife (except it has a round blade) that they use to gouge
    the knobbies on their monster tires, making them a little lighter and a
    lot grippier, and the tires hold up just fine to the modification...

    What dogbowl's doing seems like the same thing everyone else is doing on
    these fora - wearing down the knobbies on our tires - although he's
    accomplishing his "wear" a lot quicker than most of us 🙂 I can't see
    how it would harm the tire any... I don't think you should worry even if
    you cut the entire "knobby" off! Just as long as you don't gouge
    through the outer layer of rubber...

    --
    maestro8 - Mad Scientists for World Domination

    Those are my principles. If you don't like those, I have others. --
    Groucho Marx
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