Bosch Performance Update 2.0 Unlocks 120Nm Torque for eBike

Bosch eBike Systems has released a significant software upgrade for its fifth-generation Performance Line CX and CX-R motors, increasing maximum torque to 120 Nm. The Performance Update 2.0, announced this week, provides a substantial power boost without requiring any physical hardware modifications to existing drive units. This digital enhancement allows riders to access more power during technical climbs and low-speed acceleration.

The Performance Update 2.0 increases the support ratio from 400% to 600%, allowing the motor to multiply rider input more effectively. While peak power remains capped at 750 W, the additional torque is specifically tuned for speeds up to 15 km/h. This situational boost helps mountain bikers maintain momentum on steep, uneven terrain where high cadence is difficult to maintain.

Beyond raw power, the software introduces several new functional features for the eBike ecosystem. An adjustable feature called Extended Boost allows the motor to continue providing assistance for up to 2 meters after the rider stops pedaling, aiding in clearing obstacles. Bosch also included a Drivetrain Tensioner setting to minimize the delay between pedal movement and motor engagement, alongside a Trick Check tool that uses internal sensors to record jumps and wheelies.

Owners of compatible fifth-generation systems can download the free over-the-air update through the eBike Flow app starting May 4, 2026. Because the update alters motor performance characteristics, Bosch noted that availability for specific bicycle brands may depend on individual manufacturer approval. To complement the power increase, the company also introduced a new 12A fast charger utilizing GaN technology for quicker battery replenishment.

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