Off-road fun with heavy luggage

Lisa Gärtitz

 · 29.09.2020

Off-road fun with heavy luggagePhoto: Volker Schumann
Off-road fun with heavy luggage
The first off-road e-cargo bike is available as a digital prototype. The 4Forest should be able to transport an impressive 220 kilograms of load weight safely and comfortably, even over rough terrain.

The idea for an all-terrain cargo bike came from Berlin-based Product design office Werkdesignwhich, with the 4Forest, is pursuing the goal of an environmentally friendly means of transport for the terrain. The digital prototype has already been developed.

  The 4Forest should be able to carry a payload of 220 kilograms. That's enough for a few cubic metres of wood or the family picnic equipment. The luggage is stowed in a removable rear box and on sturdy luggage racks.Photo: Volker Schumann The 4Forest should be able to carry a payload of 220 kilograms. That's enough for a few cubic metres of wood or the family picnic equipment. The luggage is stowed in a removable rear box and on sturdy luggage racks.

With full-suspension tilting technology and the powerful electric drive from Bosch, the gravel bike among the cargo bikes carries a load of up to 220 kilograms smoothly even over rough passages. Even stairs should be no problem with the 4Forest. The rear-wheel drive of the four-wheeled all-terrain vehicle runs via two belt drives, a differential and two universal joints used in go-kart construction. A Rohloff hub provides 14 gears. Luggage is stowed on sturdy pannier racks and in a removable rear box.

  With its powerful electric drive and full-suspension tilting technology, even stairs should be no problem for the new off-road star.Photo: Volker Schumann,Istockphoto: Nikada With its powerful electric drive and full-suspension tilting technology, even stairs should be no problem for the new off-road star.

The robust 43-kilogram bike cannot be compared with a folding bike, but thanks to a simple frame division, retractable handlebar and easily removable wheels, the 4Forest can also be quickly stowed away in the car or stored in a space-saving manner when not in use.

  Belt drive, fully independent suspension, cardan shafts: The 4Forest still only exists as a digital prototype on the screen.Photo: Volker Schumann Belt drive, fully independent suspension, cardan shafts: The 4Forest still only exists as a digital prototype on the screen.

With the 4Forest, the innovators are not only pursuing the goal of comfortable riding fun on rough terrain. During product development, it was also important to design a sustainable means of transport for off-road terrain. The 4Forest should be quieter and cause less damage to the ground than its highly motorised off-road colleagues with combustion engines. That makes sense, and it's certainly an eye-catcher.

  Thanks to a simple frame division, retractable handlebar and easily removable wheels, the off-road cargo bike can also be stowed away quickly.Photo: Volker Schumann Thanks to a simple frame division, retractable handlebar and easily removable wheels, the off-road cargo bike can also be stowed away quickly.

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