• Jul 12, 2008
Click above for more shots of the Gunbus motorcycle

When it comes to custom motorcycle builders, there's crazy and there's really crazy. Falling into the latter category is one Mr. Clemens F. Leonhardt, who has just finished building what he refers to as "the world's biggest motorcycle." Excluding some other crazy creations, such as the Monster Bike, the guy's got a point. Unlike other two-wheeled behemoths, the Leonhardt Gunbus is actually ready to ride on normal roads and will soon go into series production. That's right... you'll actually be able to buy one of these. Next on the agenda is an equally massive sidecar, which somehow seems just right for this bike.

A quick glance at the pictures shows just how monumental that 410-cubic-inch, air-cooled, pushrod V-Twin really is. Of course, a monster of an engine must require an impressively large bike, and the Gunbus is certainly that, looking bit like a caricature of a bike with the fittingly attractive blonde model sitting on top. Whatever -- we want one.


[Source: Leonhardt via The Kneeslider]


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  • 29 Comments
      • 6 Years Ago
      So is that engine two cylinders of an aircraft radial engine?
      • 6 Years Ago
      Can't be real. No video on YouTube yet.
      • 6 Years Ago
      How cute, the little lady likes to ride. Think she may need training wheels?
      • 6 Years Ago
      "Wow" wasn't even close to the top of the list of words that came to mind upon seeing this. Stupid, pointless, and overdone were the first three, followed by poseur, tool, and "erectile dysfunction compensation device".

      I have no doubt some idiot in my neighborhood will buy one of these with their HELOC before it completely implodes.
      • 6 Years Ago
      Big,fat and an ugly 2.
      • 6 Years Ago
      So what has bigger wheels, this or the batpod?
      • 6 Years Ago
      I've never driven a motorcycle so I don't really know, but don't you usually use your weight to lean into turns and stuff. I just feel like this would primarily be able to only go straight, or once you entered the turn you wouldn't be able to get out because your momentum wouldn't be able to get the bike upright again. Maybe I'm completely wrong.
        • 6 Years Ago
        Just like a bicycle, primary steering input comes from the bars. A turn is initiated by counter-steering. Shifting your weight can turn the vehicle a little, but as you pointed out it's less effective as the vehicle gets heavier. It's all but useless as a primary steering mechanism on anything heavier than a bicycle.

        Shifting your mass does come into play at the highest levels of motorcycle performance as a means to control lean angle. This bike will never ever see that kind of performance anyway.
        • 6 Years Ago
        I can't remember the name of the video, but it's pretty cool. They lock the bars of the motorcycle and have riders try to turn it with just their weight and they can't. As 'm' said, counter-steering is used. Pay attention to the next motorcycle you see in the turn lane at a stop light and you'll notice the counter-steer.
      • 6 Years Ago
      It's the KillaCycle, part 2. Remember the crash Killacycle's builder had while showing off? I hope this thing's owner doesn't try the same stupid stunt.
      • 6 Years Ago
      And the point of this thing is, what, exactly? To help with compensation issues when a Hummer isn't quite big enough?

      I don't get it.
      • 6 Years Ago
      Series production?! You can't license this for street use, so it's only for circuses and monster truck expeditions.
        • 6 Years Ago
        Why couldn't it be licensed for street use?
        • 6 Years Ago
        Well I exaggerated, you'll definitely squeak by to license this in [some] states/countries, but it has a number of issues.
        1. no signals (your state/country has to allow signalless "collector bikes" that aren't actually old)
        2. poor visibility over the handlebars (not meeting the safety requirements of some states/countries)
        3. does this thing have power steering? good luck controlling this deathtrap, especially when you need to swerve
        4. H-E-A-V-Y, have fun holding it up at red lights
        5. based on it's unique configuration, good luck insuring it and actually having a liable wreck fully covered (if you survive), "You totaled the TRUCK you hit?! We only allow $10k in motorcycle liability coverage, so you'll have to pay the remaining $25k out of pocket."
      • 6 Years Ago
      What's the point? Just pure spectacle?
      • 6 Years Ago
      I would like to see something like this, but especially because manufacturer announced that will be available a sidecars version. And that definitely will be the biggest motorcycle in the world. :))
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