Bosch Electric Motors, controllers, and more
The heart of eBikes
Drive units
The eBike motor, also referred to as the drive unit, gives you additional electrical support depending on your effort, speed and the selected riding mode.
Powerful, smooth, versatile
Drive units from Bosch give you a unique riding experience. To provide the appropriate support for your day-to-day adventures, they are optimised for the various eBike types.
Mid-drive motor
A mid-drive motor is mounted in the centre of the bottom bracket. This offers optimum weight distribution, efficient support and a natural riding experience.
Hub motor
A hub motor is integrated in the eBike's rear wheel. It provides quiet, smooth support and ensures easy maintenance and reduced wear
More power? You decide.
Determine the performance values of your drive unit yourself – and set them in the custom riding modes of the eBike Flow app.
Torque
A higher torque lets you accelerate more quickly. Making this ideal for technical uphill riding or when transporting heavy loads.
Power
By increasing the maximum peak motor performance, you’ll be able to tackle strenuous trail sections or steep climbs more easily.
Support
With higher maximum support, you’ll be able to rely on a powerful boost in any situation – even at low cadences.
| Technical data | Hub Line (BDU306Y)¹¹New![]() |
Active Line (BDU332Y)⁴![]() |
Active Line Plus (BDU344Y)¹New![]() |
Active Line Plus (BDU334Y)⁵![]() |
Cargo Line (BDU384Y)⁹![]() |
Cargo Line (BDU374Y)¹⁰![]() |
Performance Line (BDU346Y)¹![]() |
Performance Line (BDU336Y)¹![]() |
Performance Line Speed (BDU388Y)³![]() |
Performance Line Speed (BDU378Y)³![]() |
Performance Line PX (BDU347Y)⁹![]() |
Performance Line SX (BDU314Y)²![]() |
Performance Line CX (BDU384Y)⁹![]() |
Performance Line CX (BDU374Y)¹⁰![]() |
Performance Line CX‑R (BDU386Y)⁶![]() |
Performance Line CX Race Limited Edition (BDU376Y)¹⁰![]() |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hub Line (BDU306Y)¹¹ | Active Line (BDU332Y)⁴ | Active Line Plus (BDU344Y)¹ | Active Line Plus (BDU334Y)⁵ | Cargo Line (BDU384Y)⁹ | Cargo Line (BDU374Y)¹⁰ | Performance Line (BDU346Y)¹ | Performance Line (BDU336Y)¹ | Performance Line Speed (BDU388Y)³ | Performance Line Speed (BDU378Y)³ | Performance Line PX (BDU347Y)⁹ | Performance Line SX (BDU314Y)² | Performance Line CX (BDU384Y)⁹ | Performance Line CX (BDU374Y)¹⁰ | Performance Line CX‑R (BDU386Y)⁶ | Performance Line CX Race Limited Edition (BDU376Y)¹⁰ | |
| eBike system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system | The smart system |
| Shifting system type | Derailleur system | Derailleur system, hub gear system | Derailleur system, hub gear system | Derailleur system, hub gear system | Derailleur system, Hub gear system |
Derailleur system, hub gear system | Derailleur system, Hub gear system |
Derailleur system, hub gear system | Derailleur system, Hub gear system |
Derailleur system, hub gear system | Derailleur system, Hub gear system |
Derailleur system, hub gear system | Derailleur system, hub gear system | Derailleur system, hub gear system | Derailleur system, hub gear system | Derailleur system, hub gear system |
| Max. support (%) | No | 340 % | 340 % | 340 % | 340 % | 600 % | 340 % | 340 % | 400 % | 340 % | 600 % | 400 % | 600 % | 600 % | 600 % | 600 % |
| Maximum possible drive torque | 45 Nm | 40 Nm | 60 Nm | 50 Nm | 120 Nm | 85 Nm | 75 Nm | 75 Nm | 100 Nm | 85 Nm | 90 Nm | 60 Nm | 120 Nm | 85 Nm | 120 Nm | 85 Nm |
| Start-up behaviour | fast, smooth | Harmonious, smooth |
Harmonious, smooth |
Harmonious, smooth |
controlled, powerful | Controlled, Powerful |
powerful, smooth | Powerful, smooth |
sporty, fast | Fast, Sporty |
powerful, dynamic, controlled | Natural, sensitive |
Direct, Powerful |
Direct, Powerful |
Direct, Very powerful |
Direct, Very powerful |
| Max. supported speed | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 45 km/h | 45 km/h | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 25 km/h |
| Backpedal brake | No | Optional | Derailleur system: no, Hub gear system: optional |
Optional | No | x | j | Optional | No | x | j | x | x | x | No | x |
| Walk assist with Hill Hold | j | j | j | j | j | j | j | j | j | j | j | j | j | j | j | j |
| Hill start assist with Hill Hold | x | j | j | j | j | j | j | j | j | j | j | j | j | j | j | j |
| Gear shift detection | Hub gear system: no, Derailleur system: yes |
Hub gear system: no Derailleur system: yes |
Hub gear system: no Derailleur system: yes |
Hub gear system: no Derailleur system: yes |
Hub gear system: no Derailleur system: yes |
Derailleur system: yes, Hub gear system: no |
Optional | Hub gear system: no, Derailleur system: yes |
Hub gear system: no Derailleur system: yes |
Hub gear system: no Derailleur system: yes |
Optional | No | Hub gear system: no Derailleur system: yes |
Hub gear system: no Derailleur system: yes |
Hub gear system: no Derailleur system: yes |
Hub gear system: no Derailleur system: yes |
| Weight, approx. | 2.3 kg | 2.9 kg | 2.7 kg | 3.2 kg | 2.8 kg | 2.9 kg | Approx. 2.8 kg | 3.2 kg | 2.8 kg | 2.9 kg | 2.9 kg | 2.0 kg | 2.8 kg | 2.9 kg | 2.7 kg | 2.7 kg |
| Rated continuous output | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W |
| Maximum power | 400 W | 586 W | 600 W | 600 W | 750 W | 600 W | 600 W | 600 W | 750 W | 600 W | 700 W | 600 W | 750 W | 600 W | 750 W | 600 W |
| Max. power at a cadence of 70 rpm | 400 W | 290 W | 366,5 W | 370 W | 730 W | 600 W | 440 W | 550 W | 730 W | 600 W | 550 W | 400 W | 730 W | 600 W | 730 W | 600 W |
| Max. power-to-weight ratio, approx. | 174 W/kg | 202 W/kg | 222 W/kg | 188 W/kg | 268 W/kg | 207 W/kg | 214 W/kg | 188 W/kg | 268 W/kg | 207 W/kg | 240 W/kg | 300 W/kg | 268 W/kg | 207 W/kg | 277 W/kg | 218 W/kg |
¹ Maximum values: Deviations possible, depending on the hub gear system and battery. The eBiker can activate/deactivate the riding modes via the eBike Flow app, the bicycle manufacturer or the specialist dealer. A maximum of four riding modes, in addition to Off mode, can be activated. Using the custom riding modes, the modes can be configured according to the individual needs of the eBiker, via the eBike Flow app.
Exception gear shift detection: eShift hubs















