Bosch Drive Unit BDU38

The Bosch Drive Unit BDU38 , better known as the Performance Line CX Gen5 , is the fifth generation of Bosch's performance-oriented drive system and is aimed at sporty e-mountain bikes and demanding sporty e-bike categories. The unit combines strong support with pronounced trail and all-mountain capabilities.

• Designation: Bosch Drive Unit BDU38 / Performance Line CX Gen5

• Maximum torque: 100 Nm .

• System compatibility: Part of the Bosch Smart System ; compatible with Bosch PowerTubes, including PowerTube 800 (depending on bicycle configuration).

• Target group: Sporty e-MTB riders, all-mountain/enduro riders, sporty trekking or SUV e-bikes.

Technical Features & User Experience

• Powerful response: designed for high demands in off-road terrain and steep inclines; the torque of 100 Nm ensures powerful acceleration and confident propulsion.

• Sensitive sensors: highly precise detection of pedal force, cadence and speed ensures a natural, direct riding feel.

• Optimized for eMTB use: Response behavior and characteristic curve are tailored for controllable, dynamic support in technically demanding terrain.

• Noise and heat behavior: Bosch has further developed the Gen 5 unit in terms of smooth running and heat dissipation — for more reliable operation for longer, demanding applications.

functions

• Auto/Assist modes: adaptive support that is based on driver input (modes may vary depending on the model).

• Trail-focused characteristics: short-term boost and finely tuned power output for technical sections.

• Integration into the Smart System: full networking with displays, remote controls and app functions of the Bosch Smart System (scope of functions depends on the components).

Compatible components

• Batteries: PowerTube family (e.g. PowerTube 800).

• Displays / Remotes: Kiox, Nyon, Purion (depending on model/product features) or Bosch remotes; exact compatibility is vehicle-specific.

• Other: Communication with smart system functions (theft protection, firmware updates, app integration) — depending on manufacturer implementation.

Areas of application

• E-mountain bikes (all-mountain, enduro)

• Sporty trekking/SUV e-bikes

• Drivers seeking a powerful, controllable and agile response for technically demanding driving.

The BDU38 / Performance Line CX Gen5 is a high-performance drive unit with 100 Nm , specifically designed for sporty use and demanding terrain, and seamlessly integrates into the Bosch Smart System (including PowerTube 800 ).