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The EBS BergFex Conversion Kit ... The EBS BergFex e-bike retrofit kit is the mountain...meer

The EBS BergFex Conversion Kit ...

The EBS BergFex e-bike retrofit kit is the mountain champion among our conversion kits. Extreme gradients and extensive mountain rides are the specialties of the EBS BergFex. With this conversion kit you can build yourself a high performance e-bike that is light and also easy to handle, even on rough terrain. Thanks to the internal planetary gear, the EBS BergFex has an excellent climbing performance. These features are enhanced by the design of its motor: the large cooling vents in the rotor are the cause of the excellent temperature management inside the engine. This drive is thus optimally equipped for the highest loads. The EBS BergFex is your strong companion for challenging tours in mountainous areas and a powerful assistent for heavy loads.

The EBS BergFex is specially designed for very steep inclines and is therefore the ideal choice for rides in high mountains.

... with the PLUS System

The PLUS control system is exclusively available from Ebike Solutions. The system uses a Cycle Analyst as board computer, a NCTE bottom bracket for pedalling force measurement and a thumb throttle with adjustable power regulation up to 500%. All components are specially coordinated and parameterized by us. The heavy-duty programmable controller provides 12 MOS-FETs and amplified connections to the motor for power at the wheel.

Components of the PLUS System Basic Box All small parts required for the conversion are... meer

Components of the PLUS System

Basic Box

All small parts required for the conversion are located in the basic box. These include, for example, various cables, fixing materials, sensors, adapters, torque supports, cranks, plugs and various other parts depending on the retrofit kit. For some conversions we offer a basic box for the front wheel and rear wheel. Make sure that the selected base box fits your engine type.

Cycle Analyst für den EBS BergFex PLUS Umbausatz

Cycle Analyst V3 - The Ultimate Bike Computer

The Cycle Analyst V3 combines the features of a bicycle computer with those of an electronic control system. This cockpit not only provides detailed information about all relevant parameters of the system in real-time, but also gives you a comprehensive control over all aspects of your drive. The Cycle Analyst provides the EBS Programmable Controller with set limits and values to enable driving profiles according to your individual needs.

  • Displayed Data: besides the typical features of a bicycle computer, instantaneous data, net energy, recuperation, Wh/km, peak current, charging cycles are also displayed.
  • Adjustable Parameters: Speed limitation, current limitation, undervoltage cutoff

PID Control (“Proportional-Integral-Derivative“ control) - In practice, this term, which seems complicated at first glance, means that the drive does not stop abruptly when reaching maximum speed, but regulates gently backwards. This results in a very natural driving experience in spite of lively power development and high top speeds.

With the Potentiometer you can directly control individual functions of the Cycle Analyst without having to go through the menu. It is mounted directly on the display and thus enables easy operation while driving.

Preselected Power Profiles
Name Economy Unlimited
max. Speed 25 199
max. Input Power 800 9999
Throttle 6 99
Cadence Force Measurement Yes Yes

NCTE Tretlager mit Drehmomentsteuerung für EBS Plus Umbausätze

NCTE Bottom Bracket with Torque Control

Completly natural driving experience through pedalling force support: Adjust the support factor steplessly between 0 – 500% of your own pedalling force up to the maximum power. The setting can be made steplessly via the rotary potentiometer on the Cycle Analyst during the ride – so you always ride with your current and completely individual performance profile.

For other bottom bracket types than 4-sided bottom brackets the crank may have to be changed, please note the dropdown at the beginning of this product page.

EBS BergFex PLUS Motor 1500W

PUMA Motor - 1500W Peak Power

When we assembled our EBS BergFex we chose the PUMA motor because it has been known for years as one of the most powerful and durable high-power geared motors. Another argument in favour of this high-tech motor is the continuous improvements that keep the PUMA at the cutting edge of technology. These advances go so far that the PUMA now surpasses and replaces the BMC. The robust construction is designed for strong gradients and can withstand the resulting high thermal loads over long distances, due to the large cooling holes inside the engine. Despite the outstanding performance data, the engine weighs only about 4.5 kg thanks to its optimized design: under the housing there is a planetary gear made of special composite plastic, which saves a lot of material and enables the excellent climb rate of the PUMA.

The motor axles are also equipped with close-knit O-ring seals, which guarantee very good water protection. The particularly smooth freewheel ensures that you can drive with less effort even when the engine is switched off, as the engine rotates very easily in the direction of travel. The EBS BergFex 1200W conversion kit is suitable for both rim brakes and disc brakes due to the brake disc holder.

EBS Programmable 12 FET Controller

Driving behavior and performance of a system are determined to a large extent by the controller used. The EBS controller shown here has 12 MOS-FETs for fast conversion of even higher currents. The resulting waste heat is dissipated via the cooling fins of the aluminium housing. This high-speed commutator can not only drive motors at high speeds, it is also optimally matched to the interaction with the cycle analyst . All connectors are either professional Anderson® PowerPole® connectors or high quality JST connectors. The splash-proof controller is designed for a battery with up to 50.4V nominal voltage and up to 30A continuous current.

EBS BergFex PLUS Umbausatz Feature: Gasgriff

EBS Throttle

As with our other E-Bike conversion kits, the EBS BergFex PLUS conversion kit is supplied with an open thumb throttle. Whether you attach the throttle at all, you can decide freely - the system also works without one.

Cycle Analogger mit integriertem GPS

Cycle Analogger: GPS Tracking and Tour Recording

With the Cycle Analogger you record your GPS position data and the measurement data of your Cycle Analyst during the ride. In combination with the Cycle Analyst you get with the Cycle Analogger a power meter for man and machine, which stores all collected data on the included 1 GB Micro SD card. These can be further processed by you after the journey and archived later. In addition, you can use the Online Trip Analyzer to analyze your trips, view them on a map and share them with others.


Cycle Satiator - das universelle Ladegerät

Cycle Satiator - the Universal Charger

Of course we could recommend any other of our compatible chargers, but then you would miss the chance to get to know the ultimate Cycle Satiator. Equipped with a charge spectrum of 24V-50.4V and a variable charge current of 0A-8A, this charger of the extra class lasts almost any battery with an efficiency of 95%. Probably the last charger you will ever buy in your life. You can order the satiator in the drop-down menu at the top of the page. More information about the Cycle Satiator

EBS Hi-Power Ebike Akku 50V mit BMS

EBS Hi-Power Ebike Battery

For your E-Bike conversion kit to deliver maximum performance, it needs a lot of power. These are supplied by our EBS Hi-Power Ebike batteries, which are equipped with high-capacity 18650 cylindrical cells and controlled and protected by a Battery Management System (BMS). With a rated voltage of 50.4 volts (14s) and peak output currents of up to 30 Ampere, you have enough power for even the most demanding gradients and sprints. Go to EBS Batteries

Technical Details Puma Motor Puma CST Motor Motor Weight 4.3kg 4.2kg... meer
Technical Details Puma Motor Puma CST Motor
Motor Weight 4.3kg 4.2kg
Installation In Rear wheel Rear wheel
Recording Screw crane mounting Cassette recording
Motor Spoke Holder 36 36
Bolt Circle Diameter 173mm 171mm
Axle Diameter 14mm, flattening 10mm 12mm, flattening 10mm
Hub Spacing 135mm (1-7-speed freewheels) / 138-140mm (8-10-speed freewheels) 1-11-fold (no SRAM 11-fold cassettes)
Rated Power 500W 500W
Peak Input Power 1500W 1500W
Voltage 36V - 50.4V 36V - 50.4V
Construction Type Gear motor with freewheel Gear motor with freewheel
Magnet Pole Pairs 16 16
Hall Sensors Yes Yes
Temperature Sensor 10kOhm NTC 10kOhm NTC
Recuperation No No
Brake Disc Mounting Yes, 6-hole Yes, 6-hole
Cable Exit from the axis / left direction of travel from the axis / left direction of travel
Cable Length 25 - 30cm 25 - 30cm
Connector Standard HIGO EPMS
Windings Speed Constant rpm at 36V rpm on 50,4V (14S)
16T 5.7 rpm/V 205rpm 287rpm
12T 7.1 rpm/V 256rpm 358rpm
10T 8.5 rpm/V 306rpm 428rpm
Assembly of the Brake Disc Front wheel and rear wheel motors are equipped with a 6-hole brake... meer

Assembly of the Brake Disc

Front wheel and rear wheel motors are equipped with a 6-hole brake disc holder. The new housing for the PUMA is considerably slimmer than the previous model, so that now ALL brake disc sizes can be mounted. Previous PUMA models had only 203 brake discs compatible.

Note: Only use 5x8mm screws to mount the brake disc. Longer screws will block the mechanics of the motor and may damage your conversion kit. Suitable screws can be found here: 5x8mm stainless steel TORX screws.

Beschikbare downloads:
Services of EBS Lacing Service: Professional Impeller Construction Gladly we take... meer

Services of EBS

Einspeichservice - Laufradbau von

Lacing Service: Professional Impeller Construction

Gladly we take over the professional impeller construction for you. Our mechanics process only high-quality components and pay particular attention to robustness and longevity. We only use stainless steel spokes and, if technically possible, highly stable aluminium hollow-chamber rims. Please indicate in the order comment after the shopping cart how many pinions/wheels your plug-in cassette has and whether you want a certain valve type (AV/DV/SV). You can also send us your own rim for spoking instead. Please keep in mind, however, that we cannot reduce the price, as the accurate measurement requires additional work. If you would like to order a Tadpole Trike, please let us know in the order note, as it may be necessary to save differently. We will then contact you.


Umbau - und Lieferservice von

Conversion in our Workshop

You don't want to retrofit your bike yourself? No problem, in our workshop we can convert your ordinary bicycle into an electric bicycle with the conversion kit you have requested. In addition to the retrofit, you will receive a free initial inspection!

Your Advantages with EBS All components of the conversion kit have been tested by us and... meer

Your Advantages with EBS

EBS Premium Technik: Modification

All components of the conversion kit have been tested by us and modified to our high standard. By continuously improving the individual parts and the system communication, Ebike Solutions can provide you with a perfectly matched set of replacement parts with high-quality features. The advantages of an EBS system at a glance:

  • Harmonious driving experience due to power control in the controller
  • Water protected and upgraded wiring
  • Tread sensors matching the bottom bracket, freely selectable and free of charge
  • Various display upgrades
  • Different throttle grip options
  • Easy adjustment of cable lengths through finely graduated extension cables

Cable system

All cables of the EBS Plug & Drive are equipped with water-protected plug connections – just plug them together and you're done. The length of the connecting cables is adjusted to suit typical conversions. We have extensions for all important cables in our range.

Je set selectie.

Huidige configuratie:
€ 0,00 *

inkl. BTW. excl. versendkosten


Mit dieser Basisbox erhalten Sie 10 % Rabatt auf alle Artikel des Umbausatzes mit Ausnahme der Anpassungen auf Kundenwunsch. Retournierte Artikel aus der Basisbox werden mit 50 % des Einzelartikelpreises erstattet. Für weitere Informationen klicken Sie bitte auf das Feld "Weitere Informationen" unterhalb von "Zum Set hinzufügen".

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