Remember the Varibike? It is a cool bike that lets you work your legs and arms outdoors. Varibike Tandem lets you workout with a partner. The person on the rear seat can pedal and crank with legs and arms respectively. Varibike Tandem has an aluminum frame and comes with a light.
More gadgets like this ➡️ : here
The above video gives you a better idea how these bikes work.
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.
