The Dryvtech 2x2x2 experimental motorcycle prototype is up for sale on eBay. It's a truly unique vehicle that drives AND steers with both wheels, using hydraulics instead of mechanical connections.

Though it is not the first two-wheel drive motorcycle in ... By diverting 15% of the power to the front wheel, the 2-Trac system decreases the power loss from lack of rear-wheel traction and ...

Ignoring the extra front wheel, the Niken is a powerful three-cylinder motorcycle with a healthy 115 horsepower. The 200 miles we covered that day were the best I’d ever ridden.

Thus, it acts like a rear-wheel-drive motorcycle until the rear wheel slips—that's why it's AWD rather than 2WD. The front wheel is under-driven compared with the rear wheel, at a ratio of 0.62:1.