The ideal drive for every application
Controlled or powerful support - the main thing is it feels natural. Drive units from Bosch eBike Systems give you a unique riding sensation. Three sensors measure pedal power, cadence, and speed at a rate of over 1,000 times per second. This enables organic interaction between you and your eBike. The drive unit of the smart system, the new system generation of Bosch eBike Systems, also ensures a very personal eBike experience. The smart system combines high-quality eBike components with digital functions, is fully connected and always up to date thanks to over-the-air updates.

Technical data
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System | Bosch eBike system 2 | Bosch eBike system 2 | Bosch eBike system 2 | Bosch eBike system 2 | The smart system | The smart system | Bosch eBike system 2 | Bosch eBike system 2 | The smart system | The smart system | Bosch eBike system 2 | Bosch eBike system 2 | The smart system | Bosch eBike system 2 | The smart system | The smart system | Bosch eBike system 2 |
Shift type | 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 | Derailleur system | Derailleur system | Derailleur system | Derailleur system/hub gear system* | Derailleur system/hub gear system* |
Support level** (%) | 250 | 250 | 250 | T270 | 400 | 400 | 400 | 400 | 340 | 340 | 300 | 300 | 340 | 340 | 340 | 340 | 340 |
Maximal possible drive torque (Nm) | 40 | 40 | 50 | 50 | 85 | 85 | 85 | 85 | 75 | 75 | 65 | 65 | 85 | 85 | 75 | 85 | 85 |
Support up to maximum cadence (rpm) | 100 | 100 | 105 | 105 | > 120 | > 120 | > 120 | > 120 | > 120 | > 120 | > 120 | > 120 | > 120 | > 120 | > 120 | > 120 | > 120 |
Start-up behavior | Controlled | Controlled | Controlled and agile | Controlled and agile | Powerful | Powerful | Powerful | Powerful | dynamic/ sporty | dynamic/ sporty | dynamic | sporty | very sporty | sporty | sporty | very sporty | very sporty |
Max. support up to | 15.5 mph | 15.5 mph | 15.5 mph | 15.5 mph | 15.5 mph | 15.5 mph | 15.5 mph | 15.5 mph | 15.5 mph | 15.5 mph | 15.5 mph | 15.5 mph | 28 mph | 28 mph | 28 mph | 15.5 mph | 15.5 mph |
Backpedal function | optional | no | optional | no | no | no | no | no | optional | no | no | no | no | no | no | no | no |
Smart Push Assist with rollback protection | j | x | x | x | x | x | x | x | x | x | x | x | x | x | x | x | |
Gear shift detection | yes | yes | no | yes | no | yes | no | yes | no | yes | no | yes | yes | yes | yes | yes | yes (dynamic) |
Weight | approx. 6.4 lbs | approx. 6.4 lbs | approx. 7 lbs | approx. 7 lbs | approx. 6.4 lbs | approx. 6.4 lbs | approx. 6.4 lbs | approx. 6.4 lbs | approx. 7 lbs | approx. 7 lbs | approx. 7 lbs | approx. 7 lbs | approx. 6.4 lbs | approx. 7 lbs | 7.1 lbs/ 7 lbs | approx. 6.4 lbs | approx. 6.4 lbs |
* Maximum values. Deviations possible, depending on the hub gear system.
** Activation/deactivation of the various riding modes is done by the bicycle manufacturer and the certified dealer. A maximum of four riding modes in addition to Off mode can be activated in the display. The riding modes (Eco, Tour, Sport, Auto, Turbo) can be configured according to the individual needs of the rider via the eBike Flow app.