Drive unit for Cargo bike use



Cargo-tuned version of our powerful & compact EP8 drive unit

This cargo-tuned version of our popular drive unit takes full advantage of DU-EP800's power, features, and functions. Enjoy sustained and robust output up steep hills and when riding with fully packed storage. Additional rider-friendly features are unlocked when paired with SHIMANO Di2 internal geared hubs.

  • Cargo-dedicated version of our powerful and efficient EP-800 drive unit
  • Dedicated cargo assist firmware
  • Retains all of DU-EP800's great functions and features
  • Quiet, lightweight, compact & integrated design
  • Strong heat-resistance on long climbs
  • Smooth pedaling
  • Max. output 85 N·m
  • Walk assist mode
  • Start mode available when used with a Di2 internal geared hub
  • Full-automatic shifting available when used with a Di2 internal geared hub



Color Standard
Average weight 2.6
Remarks * In case of DI2 ** Set by E-TUBE PROJECT *** By using EW-SS300 EW-SS301
Compatible Brake type Disc brake
Motor type Brushless motor
Position Mid ship
Compatible Wheel Size (mm) 1,150 - 3,000
Continuous Rated Power (Watt) 250
Maximum torque (Nm) 85
Rated Voltage 36 V DC
Assist mode_ECO
Power supply for front light 12 V DC
Power supply for rear light 12 V DC
Communication E-TUBE
Torque sensor
Crank arm position sensor
Bike speed sensor *** X
Cadence sensor
Compatible spindle type 24mm 2pinch bolt narrow
Automatic shift_Internal geared hub 5-speed (INTER-5E) * X
Automatic shift_Internal geared hub 8-speed * X
Chain device compatible
DI2 compatible_Internal geared hub
DI2 compatible_Rear derailleur
Drive unit fixing screw (pcs) 6
Firmware update by E-tube Project
Master unit
Assist mode_BOOST
Assist mode_TRAIL
Maximum current supply front and rear light total (A) 2
Maximum support bike speed_20 mph ** X
Maximum support bike speed_25 km/h ** X
Port for Speed Sensor (pcs)_SD50 type 0
SYMPHOMATIC_Internal geared hub * X
Safe way home function
Terminal for Light (pcs) 1
Walk assist function_Intelligent * X
Walk assist function_On/Off ** X
Walk assist function_Quick
Firmware update by E-TUBE PROJECT
Master unit
Port for Speed Sensor (pcs)_SD300 type 1
Riding Characteristics_Profile 1
Riding Characteristics_Profile 2
SD300 connector (pcs) 0
SD300 port (pcs) 2
SD50 connector (pcs) 0
SD50 port (pcs) 0