Torque sensor
High torque of 80 Nm for
all uses, from urban to cargo.
BSA Universal
Direct integration onto the case
BSA 68–73 mm.
Proven technology
Deployed across several dozen
thousands of VIRVOLT systems.
Made in France
Assembled in France in a
Controlled industrial environment.
High torque
Peak power
Engines sold
A modular solution, adaptable according to the manufacturer's needs.
A complete system for electric bikes
THE VIRVOLT 900 System integrates In a architecture complete including:
bottom bracket motors, batteries (various sizes and capacities), screens (black) & white or colored), beams and accessories
Compact Screen - Black and White Display
Horizon Screen - Color display and remote control
Pair of Cranks
Standard 2A
3A fast charging
Standard Water Bottle Battery
Comfort Battery
Performance Battery
Luggage Rack Battery
Mounting system and speed sensor
With a Shimano standard nut for easy mounting
Adapts to a wide variety of uses
Urban bike, utility bike, cargo bike, trekking bike
A solution suitable for intensive and professional uses.

Simple and standardized integration
Compatible with frames on the market:
- BSA 68–73 mm case
- extended compatibility with adapter up to 120 mm
- installation without structural modification
Reduced integration costs for manufacturers.

Built-in sensors for precise assistance
The engine includes:
- torque sensor
- cadence sensor
- speed sensor
- temperature sensor
Allowing:
- smooth assistance
- intelligent power management
- a better user experience

Integrated and compact architecture
- integrated controller
- UART communication
- lighting outputs
Fewer external components and simplified integration
Technical specifications
Engine
Type of engine
Crankset
Rated power
250W
Peak power
600W
Weight
3kg
Max torque
80Nm
Voltage
36V
Max current
17A
Sensors
Torque, cadence, speed
Temperature sensor
Yes
Integrated controller
Yes
Communication
UART
Protection
IP54
Freewheel
Yes
Engine brake
No
Manufacturing
France
Compatibility
BSA 68–73 mm (up to 120 mm with adapter)
Plateau
42 teeth BCD 110
APPROVED NETWORK
+400 workshops partners in France and Europe
Spare parts available for all generations of
systems.







