Gallery: What It Takes to Make a Motorcycle Hit 400MPH

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    Triumph
    01

    TriumphTA.jpg

    Triumph built the Streamliner to do one thing: top 376.363 mph on the Bonneville Salt Flats to become the fastest motorcycle on the planet.
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    Anthony Sinfield/Triumph
    02

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    Dual 1.4-liter engines share a single transmission and drive the rear wheel.
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    Merry Michau/Triumph
    03

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    The gearing obviously favors top-end acceleration, so the Streamliner uses retractable outrigger wheels to stay upright below 25 mph.
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    Triumph
    04

    Triumph4.jpg

    Lightweight carbon-kevlar provides structural support for the engine, transmission, and rider.
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    Triumph
    05

    Triumph6.jpg

    Yes, it has two wheels, a seat, and a handlebars. But it’s also 25.5 feet long and sheathed in a sleek, black carbon-Kevlar body that looks like a shaved catfish.
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    Triumph
    06

    Triumph5.jpg

    If this thing didn’t have the word “motorcycle” on the side, you’d have no idea what it is.
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