The ROX 4.0 bike computer can be positioned on the handlebars in a few easy steps. There is no need to mount cables or sensors. After it is switched on, the ROX 4.0 uses GPS and GLONASS to determine the biker’s position in seconds. The user-friendly operation with three buttons allows a bike tour to be started right away.

Electric Bike Ready
The Rox 4.0 is e-bike ready and can be easily connected to most ebikes*. The Rox 4.0 establishes a connection to the compatible e-bike system and shows you the current assist mode, battery status and other data on the display.
*Please check compatibility here
Key Features:
- 30+ functions
- Large, easy-to-read, high-contrast 2.4-inch diagonal display
- Simple operation
- Customisable display views with the free SIGMA RIDE app
- Connect using ANT+ or BLE to external sensors such as speed, heart, and cadence sensors
- Smart notifications – incoming calls and messages – appear on the display
- Classic SIGMA GPS handlebar bracket fits handlebars of all sizes
- E-bike ready
- Turn-by-turn navigation can be enabled if connected to the Komoot app on your smartphone
What’s included
- Bike computer
- GPS mount
- Attachment material
- USB-C cable
- Quick-start instructions














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