Bosch Speed Sensor Slim (BDU3xx, BDU4xx)

Original Bosch speed sensor slim for 3rd and 4th drive generation. The speed sensor is needed for a correct function of your e-bike. In the event of a defect or damage, the function of your e-bike with Bosch motor may be limited. Therefore, in such a case, replace the speed sensor promptly. For a perfect installation, the speed sensor is available in different lengths.

Features of the Bosch e-bike speed sensor slim

• Speedometer for Bosch drives BDU3xx & BDU4xx
• original spare part
• 100% accurate fit
• In lengths 615mm & 815mm

Compatibility of the Bosch slim speed sensor

The slim version of the e-bike speed sensor was installed from the 3rd Bosch engine generation up to Gen. 4 from 2020. For use, the matching dropout on the frame, including Bosch clip holder is a prerequisite. Parallel to the speed sensor slim was also further installed the Bosch speed sensor for Classic Line and Gen. 2 engines. Therefore, pay attention to the correct variant of your speed sensor when exchanging. For Smart System engines from model year 2022, there is also the Bosch speed sensor Slim – Smart System.

Note: If you are unsure about compatibility, please contact our customer service.