Athos extreme quad-cycle brings four-wheeled, pedal-powered off-road mayhem

If the funky, Segway-powered Centaur, shown in our recent look at Dual Mode transportation, is still too powerful and heavy for you, it may be time to go Athos. Sort of an unnatural cross between a pedal-powered bicycle and a four-wheeled quad, this burly "extreme quad-cycle" aims to give riders a new option in off-road travel that blends BMX, motocross and downhill biking.

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