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KH29 with a Big Apple 2.35

Started by steveyo · · Last activity · 7 posts · 334 views

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rec.sport.unicycling
Published
29 May 2005
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30 May 2005
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steveyo
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  1. I got a flat tire on my KH29 last week. Since I had to take off the
    wheel anyway, and since I'm riding a hill-climb road race
    (www.whitefacerace.com) in a couple weeks, I decided to get Dave
    Stockton (U-turn) to send me not only a spare tube, but a 700c x 2.35
    Big Apple. (Thanks, Dave!)

    And may I say - wow!

    In one fell swoop it changed my Muni into a smooth-rolling road machine.
    It was strange at first not to hear the omnipresent buzzing of the
    Kenda Klaw XT's knobbies on my training rides. It's now totally silent,
    and it -really- flies.

    Question:
    The cycle seems to react to the crown in the road more with the BA than
    when it had the Muni tire. That is, it drifts more strongly toward the
    downhill edge of the road.

    Is this my imagination or is the handling affected in this way? Did the
    orientation of the knobbies on the Kenda help to keep the uni going
    straight?

    --
    steveyo - hammer down

    steveyo

    "If your feet are cold, cover your head."
    - eskimo proverb

    "The place you buy special pants for big-balled men also sells very
    small hats."
    - me
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  2. It is funny you should bring this up, because I just had my own
    experience with the Big Apple tire that appears in some ways to be
    similar to yours.

    I had a Bontranger 26inch on my 26er Yuni/nimbus and last week I had the
    chance to obtain a Big Apple 26x2.35, actually from the same source as
    yourself, that excellent wizard of unicycle mechanics, Mr. U-turn.

    Happily, at the unicycle club meeting, I put the awsome tire on my uni,
    and wow, what a great and different ride it was! That tire totally
    rocks! I rode like an angel with nuclear wings--ok, not as good as that,
    but I felt like my riding improved 10 fold with the BA.

    Then....Unfortunetly, for the next three or four days, I had
    unbelieveable problems with it. I had trouble freemounting (I have
    always had trouble freemounting, but just prior to this, I seemed to
    have put the freemounting demon in its place at last) and when I rode, I
    was all over the place. A wobbeling catastrophe, I was.

    I changed crank arms (I was on 5 inch cranks, I changed back to 6
    inch)--no change. That tire, as excellent and as marvelous as it had
    felt on its first day, was proving to be a tempermental piece of rubber
    and kevlar.

    It kept bringing me to the middle of the road--this is a drag for me
    because I prefer to ride on the far right of the path so the faster
    bikers can easily pass. I felt that I was expounding engery just
    fighting with the unicycle to keep it where I wanted it.

    I ended up putting the Bontranger back on. I rode 6 miles today, no
    hassel. With 5 inch cranks. Freemounting was a breeze. No problems
    there...

    My conclusion? The BA is a superior tire, hands down. When it is on my
    uni, I feel like I'm riding a thoroughbred horse, but one that needs a
    more experienced jocky. Because I am far from being a good unicycli--uh,
    in my case, I say unicycler because I'm not good enough to say
    unicyclist just yet, there are some things I am not ready for--and I
    think the BA is one of them. The Bontranger suits my needs for the
    moment--that is, riding distances in a straight line. Still, I am
    totally glad that I now have a Big Apple in my closet, and I hope to
    continue getting better and better so I'll be good enough to use it in
    the not too distant future.

    I must also say that part of the problem could be DX32 rim, which
    appears to be in need of truing--when I spin the wheel when the uni is
    upsidedown, it appears to be warped. It is entierely possible that the
    Big Apple is a far more intuitive tire, and it may be one that not only
    amplifies the subtitles of your hip and foot movements, but a tire that
    also reacts to any kind of warping in your rim. I'll know when I true my
    wheel, and I slap the old BA back on.

    But back to you, Steveyo (sorry, I went off on a tirade regarding my own
    BA experience) it could be that the BA is a tire that needs a bit of
    work--you are probebly a much better rider than I am, but this could be
    one of those tempermental objects that one needs to get used to. I did
    notice in my tire a tendency it had to drift in a direction I was not
    happy about. Is it a part of the BA experience to tame that tire? I
    blame it on my own inexperience as a rider, and I also blame it on the
    rim. But maybe the BA is a sophisticated tire in the end that is worth
    the efforts to tame it--certainly, I have heard a lot of great things
    about it. I thought I was the only one to experience a drifting problem.
    Are there others?

    Still, I am not complaining. I cant help but remember how excellent the
    BA felt when I first put it on. What happened? I don't really know.
    Still, I'm looking forward to the day when I feel confident enough to
    put it back on my unicycle...

    --
    dogbowl - Falling to Dark Side of theUnicycle

    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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  3. I haven't had the chance to try the BA on a wider rim like the KH or
    DX32 yet. On the Rhyno Lite it wants to be at higher pressure: 60 psi.
    If you're not at 60 psi, the BA isn't as much fun.

    The BA 700x2.0 is much less reactive to road crown than the 2.35, but
    doesn't turn as smoothly and requires more moment-by-moment attention.
    There seems to be a tradeoff.

    Every tire seems to have its plusses and minuses. I think this might be
    amplified by the fact that we're on unis, not bikes.

    --
    U-Turn - As long as my feet keep movin'...

    Weep in the dojo... laugh on the battlefield.
    'LiveWire Unicycles' (http://www.livewireunicycles.com)
    'Strongest Coker Wheel in the World'
    (http://www.unicyclist.com/gallery/albup39)
    '29er Tire Study' (http://u-turn.unicyclist.com/29erTireStudy/)
    'New York Unicycle Club' (http://www.newyorkunicycle.com)
    -- Dave Stockton
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  4. dogbowl said:

    That tire totally rocks! I rode like an angel with nuclear wings...

    Well said.

    dogbowl said:

    ...Steveyo ...it could be that the BA is a tire that needs a bit of
    work--you are probebly a much better rider than I am...

    Um...I'm not a much better rider than anyone. I'm a 42-old Kris Holm
    wannabee with less than a year of Uni'ing. I've been fighting the Big
    Apple ever since I put it on my KH29. Thankfully, after 30 or so miles
    on the thing I think I'm getting the hang of it.

    For that race of mine in two weeks, I need to conserve all my energy for
    the ascent (8 miles and 3500 vertical feet) and not waste it wiggling
    around trying to keep my mount on the straight and narrow.

    Quoted message said:

    -Originally posted by U-Turn-
    ...If you're not at 60 psi, the BA isn't as much fun....

    Thanks for that tip, Dave. I think I was only at 45 psi or so. I'll
    remedy that post-haste.

    --
    steveyo - hammer down

    steveyo

    "If your feet are cold, cover your head."
    - eskimo proverb

    "The place you buy special pants for big-balled men also sells very
    small hats."
    - me
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  5. It's squirmy at <60psi. I like 65psi in mine.

    The other thing is that because of the rounder profile and no knobbies,
    it's much much easier to turn than a muni tyre, which leads to more tyre
    side-side wobble unless you're riding really smoothly and a bit more
    sensitivity to road camber. That's basically what you pay for lowered
    rolling resistance. Once you get used to it and smooth out your spin
    they're lovely tyres.

    Joe

    --
    joemarshall - dumb blonde

    my pics http://gallery.unicyclist.com/album483
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  6. U-Turn said:

    *Every tire seems to have its plusses and minuses. I think this might
    be amplified by the fact that we're on unis, not bikes. *

    That's also what's great about riding unicycles. In the past, riding
    bikes, I never had any interest at all in any of the details of bicycle
    parts or how they worked. You just got on a bike and rode. Anyone could
    get on a bike and ride.
    But just getting involved with the unicycle world changed all that.
    Simple things like crank arm length, or the tread pattern on a tire, or
    seat height, etc, sometimes means the difference between riding and not
    riding. I became totally aware of the mechanisism of the one-wheel
    because everything, every square millimeter of the unicycle makes a
    difference. I even look at bikes differently now. On a bike, the air
    pressure of a tire does not mean you can't ride in a straight line
    because you have handle bars to take care of that. But with a unicycle,
    we have to consider a whole lot more, and thats part of what makes it a
    more interesting and ultimetly a much more satisfactory experience.

    --
    dogbowl - Falling to Dark Side of theUnicycle

    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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  7. I just wanted to put in my 2 cents on the 29" Big Apple!

    I have been riding for almost two years now and I am predominantly a
    freestyle, street and commuting rider. I ride the 2.5 hookworm on one
    of my 24's and on my 26er and love the way that tire rides and performs.
    I added the Big Apple 2.35 to my 29er a couple of months ago and found
    that it is very similar in feel and ride to the hookworm, though much
    much lighter. Because of the weight difference, idling and mounting
    were similar to my hookworms (in spite of the size difference) and I
    found the transition from the 24 & 26 to the 29er was very smooth.

    I have experimented with the tire pressure on the BA and noticed the
    drifting aspect of the tire only at the higher pressure of 60 lbs. At
    20 lbs, turns can be difficult as the tire wants to fold in on itself
    when turning tightly, but at 40 lbs, the tire acts just like the
    hookworm and is a pleasure to ride (but much more cushy and light).

    Any change to the configuration of the uni, changes the riding
    experience! The BA is a great tire for light offroad and
    asphalt/concrete commuting and for large wheel freestyle riding.

    My only concern is the amount of wear that the tires experiences when
    idling! My tire will need a slight rotation every couple of months to
    ensure I do not wear a hole in the tire!

    --
    rob - Number of times over = Proficiency
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