Sigma ROX 12.1 EVO
SIGMA Sport ROX 12.1 EVO GPS Bike Computer User Manual
Comprehensive guide for setup, operation, and maintenance of your SIGMA Sport ROX 12.1 EVO GPS Bike Computer.
Introduction
The SIGMA Sport ROX 12.1 EVO is an advanced GPS bike computer designed for comprehensive navigation, training, and connectivity. It offers a user-friendly interface and robust features for various cycling disciplines, including MTB, road, gravel, touring, and e-bike riding.

Figure 1: SIGMA Sport ROX 12.1 EVO GPS Bike Computer, Night Grey.
1. Setup
1.1 Unboxing and Initial Charge
Upon unboxing your ROX 12.1 EVO, ensure all components are present. The basic set includes the GPS Bike Computer, a GPS Mount, a Long-Butler GPS mount, and a USB-C Cable. Before first use, fully charge the device using the provided USB-C cable.

Figure 2: Included components of the SIGMA Sport ROX 12.1 EVO Basic Set.
1.2 Mounting the Device
The ROX 12.1 EVO supports various mounting options, including the standard GPS Mount and the Long-Butler GPS mount for optimal positioning on your handlebars. Choose the mount that best suits your bike setup and riding preference. Ensure the device is securely clicked into place to prevent dislodgement during rides.

Figure 3: The ROX 12.1 EVO securely mounted on bicycle handlebars.
1.3 Initial Configuration and Connectivity
Power on your device. The 3-inch touchscreen allows for intuitive setup. Connect the ROX 12.1 EVO to the SIGMA RIDE app on your smartphone via Bluetooth for advanced configuration, data management, and firmware updates. The device also supports Wi-Fi for downloading updates and maps directly.
- Download SIGMA RIDE App: Available for iOS and Android devices.
- Pairing: Follow the on-screen instructions on the ROX 12.1 EVO and in the SIGMA RIDE app to pair your devices.
- Wi-Fi Setup: Configure Wi-Fi settings on the device to enable automatic updates and map downloads.
2. Operating Instructions
2.1 Navigation Features
The ROX 12.1 EVO provides innovative map navigation with pre-installed bike-specific OSM maps. It offers versatile routing options and turn-by-turn directions to guide you safely to your destination. If you deviate from the route, the intelligent re-routing function will quickly guide you back.
- Routing Options: Search by address, coordinates, points of interest, or draw your own route directly on the map using the "Draw my route" function.
- Map Display: The map can be displayed in large or small views, showing your route and turn-by-turn directions.

Figure 4: Navigation options including "Draw my route" on the ROX 12.1 EVO.
2.2 Training System
With six predefined and 22 additional sport profiles, the ROX 12.1 EVO is a professional training system. You can customize training views, route preferences, and alarms directly on the device or through the SIGMA RIDE app. Import Strava Live segments to enhance your training experience.
- Customizable Profiles: Tailor profiles for road, MTB, gravel, e-bike, and indoor training.
- Data Display: View real-time data such as speed, distance, altitude, heart rate, and more.

Figure 5: Examples of individual training views on the ROX 12.1 EVO.
2.3 Smart Connectivity and E-Bike Features
The ROX 12.1 EVO connects seamlessly with the SIGMA RIDE app and external sensors (ANT+ and Bluetooth). It is e-bike ready, displaying battery status, support level, and range. Smart notifications keep you informed of incoming calls and messages during your ride.
- Sensor Compatibility: Connect heart rate monitors, speed/cadence sensors, power meters, and smart trainers.
- Crash Alarm: An integrated crash alarm notifies emergency contacts in case of a fall, enhancing rider safety.

Figure 6: Special functions including crash detection and smart notifications.
2.4 Official Product Video
Video 1: Official product video for the SIGMA Sport ROX 12.1 EVO, showcasing its features and use cases.
3. Maintenance
3.1 Cleaning and Care
The ROX 12.1 EVO is IP67 dust- and waterproof, making it resilient to various weather conditions. To clean the device, wipe it with a soft, damp cloth. Avoid using harsh chemicals or abrasive materials that could damage the screen or casing.
3.2 Battery Care
Charge the device regularly using the provided USB-C cable. Avoid extreme temperatures during charging and storage to prolong battery life. If storing for an extended period, ensure the battery is partially charged (around 50%) and store in a cool, dry place.
4. Troubleshooting
4.1 Common Issues and Solutions
| Issue | Possible Cause | Solution |
|---|---|---|
| Device not powering on | Low battery; software glitch. | Charge the device for at least 30 minutes. Perform a soft reset by holding the power button for 10 seconds. |
| GPS signal loss/inaccuracy | Obstructed view of sky; device not updated. | Move to an open area. Ensure firmware and map data are up to date via Wi-Fi or SIGMA RIDE app. |
| Connectivity issues (Bluetooth/ANT+) | Sensor not paired; interference; app issues. | Ensure sensors are active and within range. Re-pair sensors. Restart the SIGMA RIDE app and the ROX 12.1 EVO. |
| Screen unresponsiveness | Temporary software freeze. | Perform a soft reset. Ensure the screen is clean and dry. |
For more detailed troubleshooting, refer to the comprehensive user manual available on the SIGMA Sport website or through the SIGMA RIDE app.
5. Specifications
| Feature | Detail |
|---|---|
| Brand | Sigma |
| Model Name | Sigma ROX 12.1 EVO Basic Set - Night Grey Bicycle Navigation Bike Europe Bluetooth, GPS, GLONASS |
| Color | Night Grey |
| Item Weight | 109 Grams |
| Screen Size | 3 Inches |
| Display Type | LCD |
| Connectivity Technology | USB, Bluetooth, Wi-Fi, ANT+ |
| Included Components | Sigma ROX 12.1 EVO Basic Set, GPS Mount, Long-Butler GPS, USB-C Cable |
| Mounting Type | GPS Mount, Overclamp Butler, Long Butler |
| Human Interface Input | Touchscreen |
| Item Dimensions (LxWxH) | 3.74 x 2.24 x 0.83 inches |
| Waterproof Rating | IP67 Dust- and Waterproof |
| GPS Systems | GPS + GLONASS + GALILEO |
| Altitude Measurement | Barometric Altitude |
| Special Features | Crash Detection, Ambient Light Sensor, Smart Notifications, E-Bike Ready, Strava Live Segments, Komoot Tracks |
6. Warranty and Support
The SIGMA Sport ROX 12.1 EVO is 100% Made in Germany, reflecting a commitment to precision, craftsmanship, and durability. For warranty information, product registration, and additional support resources, please visit the official SIGMA Sport website.
- Official Website: www.sigmasport.com
- SIGMA Store: Visit the Sigma Store on Amazon
- Product Video Link: https://goto.sigmasport.com/rox12-1-product-video