Trek Speed Sensor for Bosch Gen 4

Genuine replacement parts
Get back on the road with genuine replacement e-bike parts.

The essential tool for measuring speed for Bosch Gen 4 motor systems.

Product details
- Connects to the motor with the Bosch gray speed sensor connector.
- Includes M4x14 fastener to mount the sensor to the frame.
- Proprietary speed sensor for use with Bosch Gen 4 drive units.