Sigma Rox 4.0 Endurance HR Set black

The ROX 4.0 Endurance HR Set features an exceptionally long battery life of up to 41 hours, making it the ideal companion for longer routes and multi-day bike rides. With 30 functions and clear controls, it gives cyclists everything they need to comfortably track performance and navigate the terrain. The route-change navigation system will guide you safely to your destination even if you decide to change direction. Precise positioning is ensured by a combination of GPS and GLONASS satellite systems, with advanced navigation functions complemented by visual and acoustic guidance. The Sigma ROX 4.0 Endurance bike computer offers an altimeter and barometer, is wireless and features a clear 2.40" LED backlit display. It provides Bluetooth, ANT+ and USB connectivity, and is fully compatible with Android and iOS operating systems. Its dimensions are 73.6 × 44.9 × 18.4 mm, weight is 51 g. A sleek black case and bike mount are included. The Sigma Rox 4.0 Endurance HR Set includes the R1 DUO - a chest strap with a transmitter that enables heart rate measurement via Bluetooth and ANT+."

Clear display and connectivity

The extra-large 2.4" transflective display with Red Circle technology shows data such as elevation profile, speed, distance and training time. Navigation instructions, connection to e-bike and external sensors are no problem for ROX 4.0. With the free SIGMA RIDE app, you can monitor and analyse the current driving data directly on your smartphone at any time.

Features and technical specifications

The device measures 74 × 45 × 18 mm, weighs 51 g, is IPX7 waterproof and has a powerful 550 mAh Li-Ion battery (up to 41 hours). The display measures 59 × 23 mm and displays in two colours. Connectivity is provided by ANT+ and Bluetooth, smart notifications and compatibility with Sigma Remote One. Text display supports English, English, German, French, Spanish, Dutch, Polish and Italian.

Navigation and sensors

ROX 4.0 is equipped with GPS, GLONASS, barometric altitude measurement and ambient light sensor. Navigation includes turn instructions, return to start, directional "Arrow navigation" and Red Circle graphics. The device also displays street names. If you deviate from the route, it automatically recalculates the new direction of travel and elevation profile.

Training and personalisation

The computer offers a pre-installed and individually adjustable sports profile. The user can create up to 6 training pages with up to 3 values on each of them. There is a training view template and an automatic break. Data can be evaluated in Sigma Data Center software and the Sigma Ride app. The memory stores up to 100 hours of recording format. fit.

Measured values, e-bike and route navigation functions, Search & Go function

Basic features include speed (current, average, maximum), distance, training time, hours and calories (when using a heart rate sensor). Altitude functions allow measurement of current altitude, slope, altitude profile and accumulated altitude meters. Both cadence and heart rate are available when the appropriate sensors are connected, including display of average and maximum values as well as intensity zones. The ROX 4.0 displays the e-bike's battery level, range, support level, your power-to-motor ratio, compass and current temperature. Route navigation allows you to follow pre-planned routes created, for example, in Sigma Data Center, Komoot or Strava. Routes can be imported into the Sigma Ride app and then run directly on the device, without the need to be connected to a phone. Search & Go allows you to quickly find your destination on the map by entering an address or clicking on a point. The route can be planned according to preferences (cycle paths, roads, unpaved roads) and then run on the device or stored for later use. While driving, ROX will graphically alert you to an upcoming turn with an acoustic signal and a red circle. The coloured stripes get progressively shorter the closer you get to changing direction.