Some kind of organic metallic alloy stronger than titanium or carbon steel, harder than diamonds.

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They look bulky but weigh little, because he constructs them from lightweight materials such as titanium, carbon nanofiber and alusic (a blend of aluminum and silicon carbide).

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The production model is a polished-looking assemblage of aluminum and judiciously placed titanium and carbon fiber, along with sensors, motors, joints, off-the-shelf DSPs and custom circuitry and software.

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I've seen carbon-titanium monocoques, gold-anodized aluminum pushrod suspension links, chrome-moly subframes with titanium heim-joints and obsessive, horological displays of precision machining.

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Seven and Serotta in particular look nothing like garages and run laboratory-like production facilities where tolerances are excruciatingly precise, and the materials, be they steel, carbon fiber, or titanium, are best in class.

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The thing is largely made of carbon fiber for lightness and strength, but also relies on aluminum and titanium components.

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While carbon fiber models are better for time trials, triathlons, and wind cheating, the less expensive titanium is lighter, more durable, and rated better by Seven for centuries, touring, and recreational riding, another reason why it is important to consult a knowledgeable bike shop when deciding just what to buy.

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