Four wheeled bikes, pedal powered quad bikes, quadracycles. Call them what you will, they still promote the idea that human propelled transport can be both fun and functional. Below we have gathered just some of the versions that we’ve spied over the years on TreeHugger. No doubt there are many others we’ve missed to date and our readers will bring us up to speed.
Trailcart
An off-road, four wheel drive pedal powered vehicle from Germany. The development team are trying to bring its weight down below 50kg (110 lb). The prototype sports 400mm axle displacement, 290Nm of torque and Shimano’s Nexus 8 shifting system. Read more….