With a maximum torque of 75 Nm, the Performance Line CX is the ideal drive for ambitious and demanding eBikers. In eMTB mode, you always receive the required power – from Tour to Turbo. Up to 300% of perfectly delivered support, incredible dynamism and unique grip provide the best possible support on all terrains, as well as improved start-up behaviour. The progressive motor support automatically adapts to the individual's riding style, so there is no need to change support modes in eMTB mode.
Max. torque
With a torque of up to 75 Nm. For sporty acceleration even in alpine terrain, without changing gear.
Max. drive
Lasting support for riders enables powerful drive, fast sprints and a very sporty riding style.
Drive Unit
Assistance up to 25 km/h. No overheating, even during long ascents.
Average of combined use of all four modes and favourable conditions.
Compatible with
The new eMTB mode
Performance Line CX + Kiox + eMTB mode + PowerTube 500
Now there’s nothing to get in the way of uphill
riding enjoyment
However steep the incline or technically demanding the trail – the Performance Line CX adds a new dimension to eMountain biking and you reach a whole new range of destinations. In conjunction with eMTB mode, even the steepest incline becomes less daunting and the optimised modulation provides a more sporty start, unique dynamics and maximum performance on unpaved trails. With the PowerTube 500, you can experience the power of Uphill Flow into the high cadence range and benefit from sporty acceleration on long tours and up steep inclines. Enjoy the exhilarating feeling of Uphill Flow and experience unique riding enjoyment in the mountains. The stylish Kiox on-board computer is a reliable companion for your exciting eMTB experience.
The superlative among drive units
One step on the pedal and the power kicks in. The judiciously delivered support of the Performance Line CX provides even greater riding enjoyment in every situation. No switching of riding modes, no overheating and optimised control: With ideal support from Bosch PowerPacks or the PowerTube and perfect information from on-board computers, your absolute focus is on a thrilling riding experience. Could you ask for more eBike enjoyment?
Ideal support, even for short cranks
New
Whether you have long or short cranks, Bosch provides the right support, according to the torque. Short cranks give you extra ground clearance for eMountain Biking. Your specialist dealer will be able to make the corresponding adjustment.
Powerful walk assistance
New
Whether you encounter a carpet of roots or vertiginous mountain slopes: the new, powerful walk assistance offers reliable, uninterrupted support, even on steep gradients – always optimised to the walking speed.
Technical details
 |  |  | |  | ||||
Active Line | Active Line Plus | Performance Line | Performance Line | Performance Line CX | ||||
| Gear type | Derailleur system | Hub gear system | Derailleur system | Hub gear system | Derailleur system | Hub gear system | Derailleur system | Derailleur system |
| Power | 250 W | 250 W | 250 W | 250 W | 250 W | 250 W | 350 W | 250 W |
| Support level (%) | TURBO: 250 SPORT: 170 TOUR: 100 ECO: 40 | TURBO: 250 SPORT: 170 TOUR: 100 ECO: 40 | TURBO: 270 SPORT: 180 TOUR: 100 ECO: 40 | TURBO: 250 SPORT: 170 TOUR: 100 ECO: 40 | TURBO: 275 SPORT: 190 TOUR: 120 ECO: 50 | TURBO: 260 SPORT: 170 TOUR: 110 ECO: 50 | TURBO: 275 SPORT: 190 TOUR: 120 ECO: 55 | TURBO: 300 eMTB: 120-300 TOUR: 120 ECO: 50 |
| Maximum possible drive torque (Nm) (converted to a gear ratio of 1:1 crankset to chainring) | TURBO: 40 | TURBO: 40 SPORT: 38 TOUR: 35 ECO: 30 | TURBO: 50 SPORT: 45 TOUR: 40 ECO: 35 | TURBO: 50 SPORT: 45 TOUR: 40 ECO: 35 | TURBO: 63 SPORT: 55 TOUR: 50 ECO: 40 | TURBO: 50 SPORT: 50 TOUR: 45 ECO: 40 | TURBO: 63 SPORT: 55 TOUR: 50 ECO: 40 | TURBO: 75 eMTB: 75 TOUR: 50 ECO: 40 |
| Maximum cadence (rpm) with drive support | TURBO: 100 SPORT: 100 TOUR: 100 ECO: 100 | TURBO: 100 SPORT: 100 TOUR: 100 ECO: 100 | TURBO: 105 SPORT: 105 TOUR: 105 ECO: 105 | TURBO: 105 SPORT: 105 TOUR: 105 ECO: 105 | TURBO: 120 SPORT: 120 TOUR: 120 ECO: 120 | TURBO: 120 SPORT: 120 TOUR: 120 ECO: 120 | TURBO: 120 SPORT: 120 TOUR: 120 ECO: 120 | TURBO: 120 eMTB: 120 TOUR: 120 ECO: 120 |
| Start-up behaviour | Harmonious | Harmonious | Harmonious agile | Harmonious agile | Sporty | Dynamic | Sporty | Very sporty |
| Max. support up to | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 25 km/h | 45 km/h | 25 km/h |
| Backpedal function | no | optional | no | optional | no | no | no | no |
| Gear shift detection | yes | no | no | no | no | no | no | no (dynamic) |
| Weight approx. | 2.9 kg | 2.9 kg | 3.2 kg | 3.2 kg | < 4.0 kg | < 4.0 kg | < 4.0 kg | < 4.0 kg |
