Technische Hochschule Koeln

Technische Hochschule Köln

Felix Vreden

Michael Frantzen

Janke Mansel

Jens Opitz

The invention relates to a bicycle having a frame () comprising a front head tube () that defines a front steering axle () and on which a front fork steerer tube () having a front wheel fork () that receives a front wheel (), and a steering link () on which a handlebar () is arranged, is rotatably mounted, and a rear head tube () that defines a rear steering axle () and on which a rear fork steerer tube () having a rear wheel fork () that receives a rear wheel () is rotatably mounted, wherein the rear fork steerer tube is connected to the front fork steerer tube () via a coupling arrangement () and is rotatable in dependence of the rotation angle of the front fork steerer tube () and the front steering axle () and the rear steering axle () are inclined toward each other and intersect underneath the handlebar ().

Growing community of inventors

Cologne, Germany

Felix Vreden