Bosch offers free performance upgrade 2.0 for eBike drive units, boosting torque on demand
Bosch eBike Systems is offering a free software upgrade that increases torque and support automatically on challenging terrain for Performance Line CX riders.
- May 2026
What Happened
From May 2026, Bosch eBike Systems will offer the free performance upgrade 2.0 for the Performance Line CX and Performance Line CX-R drive units. The upgrade increases maximum torque and support, with intelligent software that detects technically challenging situations and delivers full power automatically. It is activated via the eBike Flow app.
- Customizable Extended Boost for extended motor assistance
- Drivetrain Tensioner to reduce chain slack
- Trick Check feature for riding analysis
- 12A Charger available from end of 2026
Why this matters
This upgrade enhances the riding experience without new hardware, giving eBike riders more power exactly when needed for steep climbs and technical sections.
Terms in This Story
- eBike drive unit
- The motor system that provides pedal assistance on an electric bicycle.
- Torque
- Rotational force from the motor, measured in Newton-meters, determining acceleration and climbing power.
- Extended Boost
- A feature that keeps the motor providing assistance for a short time after the rider stops pedaling.
Summarised from the linked release; details can be imperfect — always verify against the original source.