The ROX 4.0 GPS by SIGMA offers 30 features and user-friendliness on all your bike tours, so you can concentrate on the essentials: Having fun cycling!
The extra large display reliably shows data such as altitude profile, speed, distance and training time. The ROX 4.0 bike computer can easily handle navigation instructions and e-bike pairing, as well as external sensors.
READY TO GO AT ANY TIME!
The ROX 4.0 bike computer is positioned directly on the handlebars in just a few simple steps – without any cables or sensors. If you want, you can pair your ROX 4.0 with additional sensors to measure speed, heart rate and cadence.
Once switched on, your ROX determines your position within seconds using GPS and GLONASS. Just use the three intuitive buttons to start cycling right away. The SIGMA RIDE app also lets you individually choose the display view.
LARGE DISPLAY
The high-contrast display is very easy to read even while riding thanks to its 2.4 inch diagonal and the extra-large digits.
RED CIRCLE
The innovative Red Circle at the top right of the display has a coloured background and offers you an innovative display of your training data.
EVERYTHING IN SIGHT
The SIGMA RIDE app allows you to set your individual display view. Choose from six different views with three values each. The current speed and time are always shown on the display.
BEST MEASUREMENTS
You need even more data or even higher accuracy for your values? Thanks to ANT+ and BLE, you can also pair external sensors such as speed, heart rate and cadence sensors with your ROX 4.0.
HIGH ALTITUDE
A highlight of the ROX 4.0 is the integrated air pressure sensor. With the help of this barometric measurement, it reliably provides information about the altitude, determines inclines and declines, for a precise recording of your route. You can also view a graphic altitude profile on the ROX 4.0. The starting altitude at the beginning of the tour can be calibrated automatically via GPS or you can set your altitude manually.
PIONEER
Connect your ROX 4.0 to the komoot app and leave your smartphone in your pocket. Get turn-by-turn directions on your ROX 4.0 using the komoot app. Show them either as an arrow on the display or inside the red circle. The coloured bars within the red circle on the display count down the distance to the next turn. The closer you get to the turn, the fewer bars are shown. Next to the circle, you will also see how many metres are left until the next turn.
E-BIKE READY
On the road with your e-bike? No problem. The ROX 4.0 is e-bike ready and can be easily paired with a large variety of e-bikes. Your GPS bike computer connects to a compatible e-bike system and shows you the current support level, battery status, light and other data on the display.
You can find compatible e-bike systems here: https://rox.sigmasport.com/de/e-bike-compatibility/
FOR DATA COLLECTORS
With the SIGMA RIDE app you can transfer your training data via BLE to your smartphone, collect your training data and set your favourite display views on your smartphone. The most important data and statistics can be read and conveniently analysed in real time on your smartphone with the SIGMA RIDE app’s LIVE feature.
STAY TUNED
Smart notifications will keep you connected to the outside world even while cycling. They notify you about incoming calls and messages on your smartphone via an icon on the display.
BASIC FUNCTIONS:
• Text display available in 8 languages (German, English, French, Italian, Spanish, Dutch, Polish, Czech)
• Speed
• Average speed
• Maximum speed
• Distance
• Training time (net)
• Calories
• Time
STATUS FUNCTIONS:
• Current temperature
• Charge status of the 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 heart rate
• Average heart rate
• Maximum heart rate
• Maximum heart rate in %
• Intensity zones
CADENCE FUNCTIONS (requires external cadence sensor)
• Cadence
• Average cadence
• Maximum cadence
ALTITUDE MEASUREMENT
• Current altitude
• Gradient (in %)
• Altitude graph
• Altitude uphill
NAVIGATION FUNCTIONS
• Turn-by-turn directions
• Back to the starting point (arrow navigation)
• Search & Go navigation via address entry or map point
• Re-routing to the destination
• Heading
• Track navigation of imported GPX data
E-BIKE FUNCTIONS (only for compatible e-bike systems*)
• Range
• E-bike battery
• Human power vs. motor power
• Assistance level
• Lighting
*Attention: You can find compatible e-bike systems here: https://rox.sigmasport.com/de/e-bike-compatibility/
DATA ANALYSIS
• SIGMA DATA CENTER (download & system requirements: https://sigma-download.com/ )
• SIGMA RIDE app (further information: https://rox.sigmasport.com/de/produkt/ride-app/ )
• Memory (internal): up to 100 hrs. Training:
• Data format: .fit
Technical details:
• Housing material: plastic
• Dimension: approx. 44.9 x 73.6 x 18.4 mm (W x L x H)
• GPS functionality: integrated
• Supported satellites: GPS, GLONASS
• Barometric altitude measurement
• Ambient light sensor
• 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
• Battery life: up to 25 hrs.
• Connectivity: ANT+, BLE
• Smart notifications: yes
• Sensors: speed, cadence, heart rate
• E-bike ready: yes
• Weight: approx. 51 g
In the box:
• 1 SIGMA Sport ROX 4.0 bike computer
• 1 SIGMA Sport GPS handlebar mount
• 1 USB-C charging/data cable
• 1 quick start manual
TIP: The SIGMA ROX 4.0 was tested by the German magazine RennRad (issue 05/2024) and received a great value for money tip.
Manufacturer: SIGMA-ELEKTRO GmbH, Dr.-Julius-Leber-Straße 15, 67433 Neustadt/Wstr., Germany, www.sigma.bike
- ALE
- Erinomaiset arvostelut!
Sigma ROX 4.0 GPS Bike Computer
- RRP 109,95 €
- 62,47 €
Price incl. VAT plus 9,95 € (for delivery to Suomi)
Colour black
The information on the product label must always be followed.
Store availability
Suitable for this we recommend
- Product code:
- 231620701
- Compatible with ANT+:
- Kyllä
- Bluetooth:
- Kyllä
- Display light:
- Kyllä
- GPS:
- Kyllä
- Heart rate:
- Kyllä
- Altimeter:
- Kyllä
- Wired:
- Ei
- Wireless:
- Kyllä
- Power in watts:
- Ei
- Navigation:
- Kyllä
- Smart Notifications:
- Kyllä
- Cadence:
- Kyllä
- GTIN:
- 4016224010608
- Manufacturer`s ref.:
- 01060
- Standard battery:
- Kyllä
4.5
(58 Ratings)
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Péter08.08.2025
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I used to have wired Sigma computers and I loved it, so I decided to have this one since I needed some simple navigation option. The menu, the readability of the screen, all the functions are great, the only thing I do not like is that there is no auto stop and start function. So when I stop and it automatically turns off, I have to switch it on when I start. Needless to say, I usually forget it, so I miss some sections. My previous wired computer automatically turned on and started measuring when my bike moved.
Helmut14.04.2025
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Gerät 2024 gekauft hat seinen Dienst gut erfüllt bis auf die Abbiegehinweise und das GPS. GPS hat sich immer wieder getrennt oder überhaupt nicht gefunden. Nachder "Winterpause" findet er überhaupt kein GPS oder erst nach 15 Minuten Wartezeit. Gerät wurde über Rosebikes zu Sigma eingeschickt . Angeblich hat Sigma keine Fehler gefunden. Die GPS Funtion hat sich leider nicht verbessert
Christian19.11.2024
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Top Teil! Navigation funktioniert einwandfrei
Benjamin11.09.2024
Colourwhite
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Der Tacho macht einen guten Gesamteindruck, jedoch ist die Geschwindigkeitsanzeige auch mit dem Speedsensor sowie die Steigungsanzeige sehr träge. Die Connectivity zur App/Sensor ist tadellos, jedoch fragt man sich ob die Navifunktion mit dem Handy und Komot nicht die gleiche Funktionalität mit der besseren Kartenübersicht bietet. Also, evtl. Tut's auch ne gute Handyhalterung ;-)
Clemens13.08.2024
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Absoluter Preis-Leistungs-Hammer! Das Gerät hat mich erfolgreich 2000km nach Spanien navigiert, jedoch bedarf es große Vorsicht. Die Abbiegehinweise (Pfeile, oben rechts) sind zu 90% richtig, manchmal geben sie aber kompletten Schwachsinn wieder. Daher muss man immer mit der Tracknavigation (unten) nachprüfen, ob man wirklich in den Kanal abbiegen muss. Die Verbindung zu Komoot via Sigma Ride ist relativ problemlos, wenn man guten Empfang hat. Mit schlechtem Mobilfunk ist das leicht frustrierend, da die Karten der Sigma Ride nicht offline verfügbar sind und auch die Synchronisation mit Komoot Internet benötigt. In Städten ist das Navigieren auch sehr gewagt. Abgesehen von diesen Mankos, liefert das Gerät für 65€ ab. Alle Infos, die das Gerät liefert sind nützlich, der Akku hält locker 4-5 Tage a 4-5 Stunden, das Display ist gut lesbar (auch im Dunkeln), GPS ist ziemlich genau, leicht zu bedienen und vor allem kann es UNABHÄNGIG vom Handy navigieren. Das heißt, man kann eine Komoot-Route auf das Gerät laden und anschließend das Handy ausmachen/zuhause lassen/bluetooth trennen. Das ist absolut genial, da man so unglaublich viel Handyakku sparen kann. Insgesamt Top für den Preis!
Julian11.08.2024
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Ralf24.07.2024
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Lange Akku-Laufzeit. Für meinen Anwendungsbereich perfektes Preis-Leistungs-Verhältnis. Navigieren funktioniert gut.
Christian03.02.2024
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Michael29.01.2024
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Aus meiner Sicht ein guter Radcomputer für alle, die ein solides Gerät mit wesentlichen Funktionen wollen, ohne gleich Unsummen ausgeben zu müssen. Läuft absolut zuverlässig.
Max11.10.2023
Colourblack
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