A US company is selling a hybrid between a bike and a rowing machine that works out your abs and back

The Rowbike is a bike-rowing machine hybrid

What happens when a bicycle and rowing machine combine? You get the Rowbike.

The Rowbike is a bicycle that is used in a way similar to a rowing machine. It is powered by using your arms andlegs in a rowing motion, giving a whole body work out that engages your core and back.The creators say that using the Rowbike can burn up to 50% more calories compared to riding traditional bikes.Rowbike is also available in a 4-wheel variant too.

You can get a Rowbike for around £1,888.

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