Expand your Flow

Uphill Flow: New dimensions

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The fascination of eMountain biking

Pure riding enjoyment in every situation - whether uphill or downhill. This takes eMountain biking to a new level. The perfectly delivered power of the Performance Line CX motor and the new eMTB mode introduces a completely new riding sensation.


Performance Line CX

Your drive unit for Uphill Flow

Performance Line CX

Step on the pedal and feel the power: The Performance Line CX is the drive unit for ambitious sportspeople and demanding eBikers. With Direct Flow and Gear Change Control, the CX is the ultimate Bosch drive to experience Uphill Flow.

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Uphill Flow

What does 'Uphill Flow' actually mean?

In Uphill Flow, you go beyond your limitations. You take up new challenges and master new trails you never thought were possible. You concentrate on the essentials, act instinctively, enjoy it and experience a unique feeling of flow when riding uphill that you only get from eMountain bikes.

Fascination eMTB

The fascination of eMTB

New dimensions

Bosch aims to inspire people to try eMountain biking, just as we are inspired to every day - actively and sustainably developing this trend. We accompany our Uphill Flow Enthusiasts on their individual flow trips and take a look into the future with Gary Fisher.

Riding skills

Bosch Biking Guide

For eMountain bikes

Steep slopes are no obstacle with the eBike. Master difficult mountain trails and feel the ultimate Uphill Flow. The drive makes uphill riding easier. This enables you to conserve energy and allows you to focus more on handling when riding. We'll show you how it is done.

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The Uphill Flow Enthusiasts

Mountain bike legend 

Gary Fisher 

Mountain bike legend Gary Fisher talks about the fascination of eMountain biking, why it allows you to enjoy mountain biking in its purest form and the revolutionary contribution the eBike can make for the future.

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Ex World Cup XC rider

Greta Weithaler 

Greta Weithaler's enthusiasm for eMountain bikes is contagious; for her it is all about passing on joy and making sparks fly. An inspiring, shared experience in nature.

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Runner-up Trials World Champion

Stefan Schlie

Stefan inspires and goes beyond the day-to-day limits with his riding technique. Here, Uphill Flow means, above all, playing outside the prescribed rules, on the edge of the comfort zone, developing and challenging himself.

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„eMountain biking

offers the opportunity to extend your own borders“

Further topics on Uphill Flow

The new eMTB mode

Ultimate Uphill Flow: Uphill riding is a unique experience with the new eMTB mode. It delivers the perfect amount of power and maximum traction and control. It can also be retrofitted to Performance Line CX drive units.

eMTB mode

The new eMTB mode

Ultimate Uphill Flow: Uphill riding is a unique experience with the new eMTB mode. It delivers the perfect amount of power and maximum traction and control. It can also be retrofitted to Performance Line CX drive units.

eMTB mode

Uphill Flow Trail at Geisskopf Bike Park

The world's first Bosch Uphill Flow Trail makes it possible for newcomers as well as experienced riders to enjoy the fascination of eMountain biking.

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Uphill Flow Trail at Geisskopf Bike Park

The world's first Bosch Uphill Flow Trail makes it possible for newcomers as well as experienced riders to enjoy the fascination of eMountain biking.

Find out more

Trail etiquette with the eMTB

The same rules apply to eMountain biking as for conventional mountain biking: the DIMB trail rules, respectful behaviour and sporting action in harmony with nature.

Watch the video

Trail etiquette with the eMTB

The same rules apply to eMountain biking as for conventional mountain biking: the DIMB trail rules, respectful behaviour and sporting action in harmony with nature.

Watch the video

Who are the
Uphill Flow 
Enthusiasts?

Bosch eBike Uphill Flow enthusiasts offer a very personal insight into their flow roots, individual experiences, challenges and adventures.

Find out more

Who are the
Uphill Flow 
Enthusiasts?

Bosch eBike Uphill Flow enthusiasts offer a very personal insight into their flow roots, individual experiences, challenges and adventures.

Find out more

The best Uphill Flow videos

Trail etiquette with the eMTB

Be a fair eBiker and follow the same rules for eMountain biking as for classic mountain biking. In addition to adhering to the DIMB Trail Rules, the most important thing is respectful cooperation between mountain bikers, eBikers and hikers in harmony with nature.

Uphill Flow II

The goal is the peak and no mountain is too steep. eMountain biking expands the limits! Stefan Schlie explains the specifics of the eMountain bike and provides tips on technique for both uphill and downhill riding. For eMountain biking, respectful behaviour and harmony with nature is paramount.

The interactive eMTB video

Experience eMountainbiking first hand with Marcus Klausmann, Stefan Schlie and Christoph and Jonathan from Bosch eBike Systems. You decide with whom you want to experience the uphill flow - with Stefan, who rides a North Shore uphill, or with Marcus, who chooses an easier route uphill, but puts his foot down on the descent.

What's it like to ride an eBike for the first time?

We asked ourselves the same question and recorded our answers along with some best moments. See for yourself - the smile of an eBike rider says more than thousand words.

Bosch eBike Systems at the BIKE Festival Garda Trentino

At the BIKE Festival in Riva del Garda we spoke with the Senior Vice President of Bosch eBike Systems, Claus Fleischer, Trials Pro Stefan Schlie and Rainer Gerste from “sugo” about the still relatively new discipline of eMountain biking.

The eBike and tourism

eMountain biking presents new opportunities especially for the tourist regions and hotels. For example, Bike-Hotel Steineggerhof regularly hosts riding technique camps, at which Stefan Schlie leads the participants up the rugged inclines of the Trentino.