It's been around in one form or another for years. I used to encounter one regularly on the train I get. I seem to remember that the "classic" Strida had solid tyres and looked even more like a toy than that one did.
The marketing blurb is worth a look:
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Strida 5 black
Strida bikes will attract at first glance, its original design, which differs significantly from conventional wheels. Folding frame in the shape of A ensures easy portability, convenience and driving comfort. Thanks to these properties is ranked among the top in the category of folding bikes. This unique wheels are part of the British engineer and designer Mark Sanders, who in 1984 designed the first prototype bikes Strida. Less than two years later, the wheels were already on sale. Since then, the brand takes a lot of expertise Strida prices and above all satisfied customers.
Unique bike
Model 5.0 is the basic model with a 16 "casing, which are fitted to the wheel rims. Kevlar belt is maintenance-free and need not be treated with oil - never so please do not smutch. The belt has a guaranteed lifespan of up to 60000 km. In addition, Strida 5.0 model is equipped with disc brakes, who care about your safety. Bike weight is 10 kg.
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Please do not smutch.