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The call of the mountains: the powerful yet quiet mid motor delivers extreme levels of fun, especially on steep ascents. It´s an off-roading machine where integration is king.


The hugely powerful motor is especially gutsy on hill starts. Reaching the Carl-von-Stahl-Haus alpine lodge, for example, cries outfor the Brose Drive S. This mountain idyll won´t be disturbed in the slightest by the extremely quiet Brose Drive S mid motor, because tyre noise is louder than the noise from the motor.
The user controls are clearly laid out, and are all easy to reach. The display is small, as is usual with MTBs, but with the digits displayed large. Integration is king for the MAXX FAB4 EL: the battery pack is built into the downtube, although it remains removable. If you can, it´s best to connect the charger cable direct to the bike, as it´s clear frame integration was a priority. And if you ever wonder why the display seems to be asleep, you can wake it and the whole drive system with a touch of the button on the battery.
This is a powerful machine which delivers a feeling of freedom - and not just in the mountains. It´s also notable that this bike is available in many frame sizes: there´s something for everyone here.
>> Photo gallery MAXX FAB4 EL (flickr)

>> Photo Album Test 2017/18 (flickr)

Measured Values & Prices
Range Tour: 53,3 km
Ø Speed Tour: 24,6 km/h
U-Factor Tour: 2,49

Range Hills: 21,4 km
U-Factor Hills: 1,53

Ø Speed City: 17,7 km/h
U-Factor City: 1,88

Vehicle Weight: 23,2 kg
Battery Weight: -

Vehicle Price: 5.079 Euro
Battery Price: 680 Euro

Sensor Type
Torque sensor

250W Brose Drive S


MAXX Bikes & Components GmbH
Theodor-Gietl-Str. 1
83026 Rosenheim 


Text and Image:

Online Publication: Bruno Brandão



7 - 12 September 2021, IAA, Munich, Testtrack

all events...