hub gear

February 16, 2021

bicycle workshopProduct newsSpectrum

Portus Twinduro tandem: More fun for two?

Product News: How do you actually begin designing a tandem? And who even comes up with the idea of ​​riding a tandem? Two people on one bike, relinquishing control, no brakes, no gears, just pedaling? André Joffroy built his dream tandem and tells us what it's all about in a guest article. Portus Twinduro Tandem: A custom bike? Riding a tandem... read more

February 16, 2021
June 25, 2020

TestsTrekking and city bikes

Additive = positive?: Urban fox primal delusion

Urban bike tested: Additive manufacturing with 3D printing is on everyone's lips and is increasingly evolving from rapid prototyping to series production. It's no wonder the bicycle industry has recognized this, too. Small parts are increasingly coming out of the printer, but an entire bike? With the Stadtfuchs, Urwahn Bikes has managed, after a long period of tinkering and... read more

June 25, 2020