It's a rear-steer caterpillar bike, built on a base of a set of four wheels and tires from a Toyota Camry. They're still working out how exactly they're going to get it to steer. So far ...

Sixthreezero, known for its innovative electric bikes and tricycles, has introduced a new e-mobility device that combines the stability of four wheels with the versatility of an electric drivetrain.

James Bruton is a serial crazy-contraption inventor, from a Lego longboard to a self-balancing mecanum-wheeled "Screw bike." ...

We take the Flagship Pivot Mach 4 SL with SRAM Flight Attendant around local trails to see what this new tech adds to an ...

A British inventor who specialises in self-balancing machines has built a bike that uses balls instead of wheels ...