[L’industrie c’est fou] This bike uses your weight to propel you

Make the body of cyclists their ally on the bike. It is from this observation that Simon Chan has made an extraordinary bike. The latter focused more specifically on the rear wheel to give a boost to the propulsion, without motor or electricity. The key element of his invention? Springs. Named SuperWheel, this wheel is marketed by the Irish company of the same name. It comes with eight springs “which provide more than 30% improved assistance”, assures SuperWheel. All this, thanks to the human body whose force of gravity is transformed into a means of propulsion.

Make one with your bike

Adapting the SuperWheel wheel is not an easy task. For the system to be optimal, the wheel must match the rider’s weight. Three types of spring sets are specially designed for people weighing less than 75 kilos, those between 75 and 90 kilos and those over 90 kilos. Another parameter: tire pressure. The higher this is, the higher the output power of the springs. “Springs may need to be adjusted to a higher tension when tire pressure is increased”, warns SuperWheel. The cyclist will therefore have to be sensitive to know the correct spring pressure and adjust it using a 13 mm wrench. “After riding you will get to know the correct spring settings”, promises SuperWheel. Something to strengthen the ties between the cyclist and his cycle…


SuperWheel springs adjusted with a 13mm wrench. Photo credit: SuperWheel.

The SuperWheel is presented as an alternative to electric assistance. But it has some drawbacks… This wheel is not recommended for long and steep climbs “because it could damage the stops of the internal drive mechanism”. On the other hand, the SuperWheel is suitable for propelling a human during urban travel, on flat paths and relatively short slopes. Compatible with six types of tires, it is sold… 475 euros. To make less effort, it will therefore be necessary to spend more.

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Source: UsineNouvelle – Actualités A la une by www.usinenouvelle.com.

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