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E-Bike Speed Sensor from ZF

Auerbach. Despite slightly decreasing sales figures withing the bike industry over the last year, the e-bike trend is continuing. For the year 2023, experts believe that e-bike sales will exceed the sales for unmotorized bikes for the first time. The decision to purchase is now more and more influenced by the drive system and the corresponding components. One important component for the optimization of engine power is an e-bike sensor that provides the necessary data to adjust the performance support of the motor to the speed. The e-bike sensor from ZF offers these significant advantages.

Speed sensors of the GS series have been specially developed for use in Pedelecs and S-Pedelecs. The extremely compact design meets the necessary requirements for use in e-bikes. The sensors are based on the principle of Hall-effect and therefore they are non-contact and durable. In combination with ferromagnetic target wheels, a high-resolution speed measurement with over 50 pulses per revolution can be implemented without any problems. The overall system of the ZF hall sensor with speed disc offers considerable benefits with regards to the functional safety, the manipulation safety and the response of the e-bike engine in comparison to the conventional reed systems with external magnet. Therefore, the e-bike sensor for ZF is also suitable for ABS systems which experience an increasing demand within the e-bike industry.

The GS82-AA06 sensor is compact at 21.75mm length, 9.35mm diameter. As an interface to the drive system, the Higo connector has a cross-section of only 0.14mm² and due to its small size is prevalent in the e-bike industry. Depending on the customer’s requirements the contact via connector, as well as the cable length, can be preselected individually. The sensor requires a constant voltage supply of 6.5 – 20 VDC and measures frequencies between 1 and 2,500 Hz. They are designed for a temperature range