Unlock Precision Cycling Performance with Advanced GPS and Sensor Integration.
Conquer every ride with seamless navigation and real-time data tracking that keeps you focused on what matters most: the thrill of cycling. The Sigma ROX 4.0 GPS White HR + Sensors Top Mount Set delivers effortless control and comprehensive insights through a bold, extra-large display and intuitive interface. Say goodbye to cluttered setups—this all-in-one system mounts quickly without cables, syncing flawlessly with your E-bike and external sensors to elevate your ride experience.
Key Features
- 30 multifunctional capabilities designed for ultimate cycling support.
- Extra-large, high-contrast display with oversized digits for instant readability.
- Integrated barometric altimeter for precise elevation, ascent, and descent tracking.
- Search & Go navigation with turn-by-turn guidance via Sigma Ride and Komoot apps.
- Wireless sensor connectivity including heart rate, cadence, and speed via ANT/BLE.
- E-bike ready compatibility showing pedal assist, battery status, and lighting info.
- Customizable display layouts with up to six screens and three data fields each.
- Offline route tracking with GPX import/export and track creation from external portals.
- Red Circle display element for dynamic training data visualization and navigation cues.
- Quick and cable-free handlebar mounting with overclamp Butler holder.
- Real-time ride data sync to your smartphone via the free SIGMA RIDE app.
Technical Specifications
- Model: ROX 4.0 GPS White HR + Cadence/Speed Sensors Top Mount Set.
- Mounting: Overclamp Butler handlebar holder for easy installation.
- Connectivity: ANT+ and Bluetooth Low Energy (BLE) for sensors and smartphone.
- Included Sensors: Heart rate chest strap, speed sensor, cadence sensor.
- Charging: USB-C charging cable included.
- Display: Extra-large, high-contrast screen with colored Red Circle for key metrics.
- Navigation: GPS and GLONASS positioning with Search & Go one-point navigation system.
- Route Management: Sync and create routes via SIGMA RIDE app and SIGMA DATA CENTER; compatible with Komoot and Strava.
- Offline Functionality: Store and follow GPX tracks without smartphone connection.
- Barometric Altimeter: Integrated air pressure sensor for accurate elevation and gradient data.
- Speed Display: Permanent fourth value on screen for current speed.
- Display Customization: Up to six screens with three configurable data fields each.
- Controls: Intuitive three-button operation for quick start and navigation.
- E-bike Integration: Displays pedal assist level, battery status, lighting, and other E-bike data.
- Data Analysis: Ride data transferred via BLE to SIGMA RIDE app for detailed evaluation.

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