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SIGMA is perhaps the most popular manufacturer of bicycle computers, bicycle lights, and heart rate monitors in Lithuania. The company, operating in Germany since 1982, uses advanced technologies in its products, so they not only look great and compact but are also highly functional. Sigma currently offers a very wide range of models and matching accessories.
For extended cycling adventures: your ROX 4.0 ENDURANCE provides all the support you could need during your ride. Extra-long battery life, smart navigation with re-routing, and ease of use get you to your destination safely – even if you decide to take a different route than originally planned. Data such as navigation instructions, altitude profiles, speed, distance, and training time are reliably shown on the display. The ROX 4.0 ENDURANCE can of course be connected to your e-bike and to external sensors.
Product technical specifications
- IMPORTANT information before buying: the CADENCE/POWER/HEART RATE functions REQUIRE SENSORS, which are not included and must be purchased separately. SPEED/DISTANCE functions are based on the GPS signal and are as accurate as the technology allows. Some areas may not be well covered by GPS satellites, so accuracy can vary.
- BASIC FUNCTIONS: Speed/Average/Maximum speed, Distance, Training time (net), Calories (only in connection with and use of an HR sensor), Time.
- STATUS FUNCTIONS: Current temperature, Device battery, Compass.
- TRAINING: Pre-installed sports apps: 1, Individually adjustable sports profiles: 1 (further sport profiles can be saved in the app), Individually adjustable training pages: up to 6, Individually adjustable number of training values per page: 3, Templates for training views: 1, Auto Pause.
- HEART RATE FUNCTIONS (requires external heart rate sensor): Current/Average/Maximum heart rate, Maximum heart rate in %, Intensity zones.
- CADENCE FUNCTIONS (requires external cadence sensor): Current/Average/Maximum cadence.
- ALTITUDE MEASUREMENT: Current altitude, Gradient (in %), Altitude graph, Altitude uphill.
- NAVIGATION FUNCTIONS: Turning guidance, Heading.
- E-BIKE FUNCTIONS (only for compatible e-bike systems*): Range, E-bike battery, Human power vs. motor power, Support level, Light.
- DATA ANALYSIS: SIGMA DATA CENTER, SIGMA RIDE app, Memory: up to 100 hrs of training, File format: .fit
- SENSORS: GPS, GLONASS, Barometric altitude measurement, Ambient light sensor.
- Technical information:
- Dimensions: approx. 44.9 x 73.6 x 18.4 mm (W x L x H)
- Mount compatibility: GPS Mount Overclamp Butler GPS
- Waterproof rating: IPX7
- Battery: 550 mAh (Li-Ion), 3.7 V (rechargeable)
- Display size: 2.4"
- Resolution: 59 x 23 pixels (main display)
- Display colours: 2
- Display technology: transflective
- Backlight: yes
- Typical battery life: up to 41 hrs
- Connectivity: ANT+, BLE
- Smart notifications: yes
- Sensor technology: Cadence, Heart rate, Speed
- E-bike ready: yes
- Weight: approx. 51 g
- Includes: 1 ROX 4.0 Endurance navigation computer, 1 GPS mount, 1 USB-C charging cable, 1 quick start guide
- OUTSTANDING BATTERY LIFE Designed to last through the longest bike adventures. The ROX 4.0 ENDURANCE has ample power. Thanks to new, more efficient hardware, it has a battery life of up to 41 hours and gives you plenty of time to enjoy your cycling experiences to the full.
- SEARCH AND GO Navigation lets you find a specific location and navigate there. You can enter an address into the SIGMA RIDE app on your smartphone or tap a point on the map. Trail preferences (bike trails, dirt roads, paved roads, and running/hiking trails) can be set individually. The track created can be started directly on your ROX 4.0 ENDURANCE or saved in the RIDE app for later.
- RE-ROUTING AND TURN-BY-TURN DIRECTIONS During navigation, the ROX 4.0 ENDURANCE display shows the track and turn-by-turn directions. A turn arrow and an audible signal alert you to the next turn. So you don't miss a turn, the Red Circle counts down the distance to the next turn using coloured bars that decrease the closer you get. The ROX 4.0 ENDURANCE also displays the street name. If you spontaneously deviate from the suggested route, your ROX plans a new route to the destination with an updated elevation profile in a flash, in interaction with the SIGMA RIDE app.
- TRACKS FROM THIRD PARTIES Track navigation lets you ride a planned route precisely. To do this, create a track in the SIGMA DATA CENTER or with a tour portal of your choice (komoot, Strava, etc.) and import it into the SIGMA RIDE app. You can then start your tour in the app and ride it right away, or save it and start it later on your bike computer. This lets you navigate your tour without a connection to your smartphone.
- PERFECTLY SHAPED IN COOL BLACK Stylish, elegant, and sporty. The ROX 4.0 ENDURANCE in cool black stands out with its sleek design and cuts a fine figure on any bike.
- READY TO GO AT ANY TIME! The ROX 4.0 ENDURANCE bike computer can be mounted directly on the handlebars in a few easy steps, entirely without cables or sensors. If you wish, you can connect your ROX 4.0 ENDURANCE to additional sensors for measuring speed, heart rate, and cadence. Your ROX uses GPS and GLONASS to determine your position within seconds of being switched on. User-friendly operation with three buttons lets you start a bike tour right away. You can use the SIGMA RIDE app to set your individual display views.
- LARGE DISPLAY: The 2.4-inch-diagonal high-contrast display and extra-large numbers make it easy to read, even while riding.
- RED CIRCLE: The innovative Red Circle at the top right of the display has a coloured background and offers an innovative way to view your training data.
- EVERYTHING AT A GLANCE The SIGMA RIDE app lets you set your display view individually. You can set up to six views, each with three values. Current speed and time are shown continuously on the display.
- UP WHERE THE AIR IS CLEAR A true highlight of the ROX 4.0 ENDURANCE is the integrated air pressure sensor. It uses barometric readings to determine inclines and declines and to provide reliable information about altitude, allowing precise recording of your track. You can also call up a graphical altitude profile on the ROX 4.0 ENDURANCE. The home altitude at the start of the tour is determined automatically from GPS, or you can set the altitude manually.
- E-BIKE READY On the road with your e-bike? No problem. The ROX 4.0 ENDURANCE is e-bike-ready and can be easily connected to many e-bikes. Your GPS bike computer establishes a connection to the compatible e-bike system and shows the current assist mode, battery status, light, and other data on the display. You can use the list to find out whether your e-bike is compatible with the ROX 4.0 ENDURANCE.
- BEST MEASUREMENTS Need more data or even greater accuracy for your values? ANT+ and BLE let you connect external sensors such as speed, heart rate, and cadence sensors to your ROX 4.0 ENDURANCE. You can find accessory sets with various sensors for your ROX in our shop.
- FOR DATA COLLECTORS You can use the SIGMA RIDE app to collect your training data, transfer it to your smartphone via BLE, and quickly set your favourite display views on your smartphone. The most important data and statistics can be read from your smartphone in real time with the SIGMA RIDE app's LIVE function and assessed conveniently.
- BE THERE LIVE Record your data with your bike computer and analyse it right away with the SIGMA RIDE app's LIVE view. You can set your individual display views very easily while riding.
- STAY TUNED Smart notifications keep you connected to the outside world even while riding. Notifications of incoming calls and messages to your smartphone appear on your display.
- PERFECTLY POSITIONED The Over Clamp Butler lets you align your ROX bike computer perfectly, even with a short stem. The computer can be positioned directly over the stem, giving you more space on your handlebars and a clear view of all your data, no matter what bike you're riding. The Butler fits 31.8 mm and 35 mm diameter handlebars.
- THE CLASSIC The classic SIGMA GPS handlebar bracket can be fixed in place without tools in a few seconds using two cable ties. This gives you a choice between mounting on your handlebars or on the stem, and the device fits handlebars of all sizes.
