New Mexico State University / USA

A scientific US study showed that (at the same heart rate) the maximum power output could be increased by over 30% using combined arm-and-leg cranking compared with normal cycling. Furthermore, the efficiency of lower-power steady-state power production was found to be higher for arm-and-leg cranking.

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BadenTV: Varibike Portrait in September 2017

Since we drove ahead with a Varibike and a Varibike trike at the Baden Marathon on September 17th, 2017, the Varibike was editorially picked up by the regional broadcaster BadenTV. In the first 2 minutes the Varibike is presented in the article.

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Focus: Varibike Test issue 32/2015

The bike reinvented. The “Varibike FR3” really impressed our author. The combination of hand and foot drive trains pretty much all muscle groups.

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Technology Review: Varibike Test in October 2015 issue

Tried out The Varibike is driven in parallel with hands and feet. Compared to a normal bicycle, you are much faster on the road - and you train your whole body.

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Fietserbond: Varibike Test October 6, 2015: Peddelen met handen en voeten

TestKees stapte op de varibike, een fiets waarbij je niet alleen je benen ronddraait maar ook je armen.

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Trialsport MagazinVaribike test in issue 1/2015: VARIBIKE

We went to Martin Kraiss in Ulm for the Varibike test and were able to experience the unique driving experience with the Vari drive and tilt steering for ourselves. The ingenious invention by Martin Kraiß enables cycling with active arm use and is therefore a dynamic full-body training device in a class of its own.

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Ride - Mountainbike Magazin: 05.03.2014: Exceptional sports equipment with a Swiss branch

Cyclists have well-trained legs and delicate upper bodies: those who do not meet this well-trained body cliché can sit on a «Varibike» and propel the bike with arms and legs.

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Discovery Channel: broadcast December 10, 2013: High Tech Toys: Varibike

"…when you come back from riding, it feels perfect, because you did everything, it's like when you come back from cross country skiing - You got a whole workout."

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Wiener: Varibike test in issue 11/2013: Wiener-Test: whole body machine

A bike that enables the muscle-firing use of legs and arms. And thus is controlled with double the power.

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Sky Sport News HD: Broadcast from October 4th, 2013: Training with Varibike

Endurance and strength are required at the same time with this bike. The perfect training program for people with a busy schedule ...

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RadMarkt: Edition 06/2013: Varibike: Training with hand and foot and for the whole body.

The Varibike is a small training bomb: Depending on needs and desire, the driver can either crank with his legs, arms or with arms and legs at the same time ...

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Trax.de - The Outdoor Portal: 04/16/2013: Varibike FR3: cycle with arms, legs or both

Those who sit a lot on the bike but don't want to neglect their upper body muscles will find a new all-round training machine in the Varibike. In principle, the Varibike can be moved in three different ways - only with the legs, only with the arms or through a combination of arms and legs ...

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