HomeNewsWorldSub 7kg Ebike Sets New Guinness World Record

Sub 7kg Ebike Sets New Guinness World Record


Mechanical engineer Dennis Freiburg from Germany has set the Guinness World Record for the lightest ever e-bike prototype with a design that weighs just 6.8kg.

The ride – named the Freicycle – reportedly took Freiburg almost a year to design and build, serving as part of a project for his doctorate. Unsurprisingly, the Freicycle is built with as much carbon as possible – namely in the wheels, cranks and fork.

Other components deemed unnecessarily heavy – such as pedals – were made ultra-light via 3D printing. Built on a carbon Merida Scultura road bike, the Freicycle’s frame weighs less than 1kg.

The motor is limited, as with all e-bikes, to a top speed of 25kph, but Freiberg believes it could reach up to 45kph with its full 600W of power. The tiny motor, mounted under the bottom bracket, uses a friction wheel to directly drive the rear tire. The battery, which is mounted in the bottle cage has a capacity of 137 Wh, which is a third to a quarter the size of typical ebike batteries and gives a claimed range of 19 – 38 km. The combined battery and motor drive system weighs about 2kg, meaning the rest of the bike weighs 4.8kg.

You can watch a three minute video of the new bike here.

This story was first published in Micromobility Weekly (UK)


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