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The ROX 4.0 GPS supports you on your bike tour with 30 functions and user-friendly controls, allowing you to focus on what is important: enjoying biking. The extra-large display reliably shows data such as altitude profile, speed, distance, and training time. The ROX 4.0 bike computer also shows navigation information and connection to an e-bike and external sensors as a matter of course!
Large Display:
- The 2.4-inch-diagonal high-contrast display and extra-large numbers make it easy to read, even during a ride.
Red Circle:
- The innovative Red Circle on the upper right corner of the display is highlighted in various colours and offers innovative, interesting display of training data.
Everything At A Glance:
- The SIGMA RIDE app allows you to 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.
Ready To Go Any Time:
-The ROX 4.0 bike computer can be positioned directly on the handlebars in a few easy steps –entirely without cables or sensors. If you want, you can connect your Rox 4.0 to additional
-sensors for measuring speed, heart rate, and cadence.
-Your ROX uses GPS and GLONASS to determine your position within a few seconds of being switched on.
-The user-friendly operation with three buttons enables you to start a bike tour right away.
-You can use the SIGMA RIDE app to set your individual display views.
Perfectly Positioned:
- The Overclamp Butler enables you to perfectly align your ROX 4.0 bike computer, even if you have a short stem. The computer head can thus be positioned centrally above the stem at the level of the handlebars. This ensures that there is space and order on your handlebars and that you have a good overview of all values, even if you’re not riding a mountain bike. The Butler fits on handlebars of 31.8 and 35 mm diameters.
The Classic:
- The classical SIGMA GPS handlebar bracket can be fixed in place without tools in a few seconds with two cable ties. This gives you a choice between installation on your handlebars or on the stem, and the device fits handlebars of all sizes.
Up Where The Air Is Clear:
- A true highlight of the ROX 4.0 is the integrated air pressure sensor. It uses barometric readings to determine inclines and declines and provide you with reliable information about altitude, allowing a precise recording of your track. You can also call up a graphical altitude profile on the ROX 4.0. The home altitude at the beginning of the tour is determined automatically from GPS, or you can set altitude manually.
Pioneer:
- Connect your ROX 4.0 with your komoot app and leave your smart phone in your pocket. Receive turn-by-turn navigation from the komoot app on your ROX 4.0. It can be displayed either as an arrow on the display or inside the Red Circle. This circle on the display is highlighted in red and shows the distance to upcoming turn-offs as coloured bars that get shorter as the turn-offs get nearer. The number of metres to the next turn-off is also displayed next to the circle.
E-Bike-Ready:
- You ride an e-bike? No problem. The ROX 4.0 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 you the current assist mode, battery status, and light and other data on the display. You can use this list to find out if your E-BIKE is compatible with the ROX 4.0.
Best Measurements:
- Do you need more data or even greater accuracy for your values? ANT+ and BLE enable you to connect external sensors such as speed, heart rate, and cadence sensors to your ROX 4.0. You can find accessories 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 them to your smart phone via BLE, and quickly set your favourite display views on your smart phone. The most important data and statistics can be read from your smart phone in real time with the SIGMA RIDE app’s LIVE function and assessed conveniently.
Smarte Functions:
Be There Live:
- Record your data with your bike computer and analyse them right away with the SIGMA RIDE app’s LIVE view. You can set your individual display views extremely easily while you’re riding.
Stay Tuned:
- Smart notifications connect you to the outside world even when you’re riding. Notifications of incoming calls and messages to your smart phone appear on your display.
Specifications:
General:
- Dimension (W x L x H): 44,9 x 73,6 x 18,4 mm
- Mount compatibility: GPS Mount Overclamp Butler
- Weight: 51 g
- Water resistance: IPX7
- Battery: 550 mAh (Li Ion), 3.7 V
- Display size: 2.4´´
- Resolution (pixel): Main display: 59 x 23
- Color display / Number of colors: 2
- Display technology: Transflective
- Backlight: Yes
- Typical battery life: 25 Hours
- Connectivity: ANT+BLE
- Smart notifications: Yes
- Sensor technology: Cadence Heart rate Speed
- E-Bike Ready: Yes
Navigation:
- Turning guidance: Yes
- Back to starting point: Arrow navigation
Sensors:
- GPS: Yes
- GLONASS: Yes
- Barometric altitude measurement: Yes
- Ambient light sensor: Yes
Training:
- Preinstalled sport profiles: 1
- Individually adjustable sport 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: Yes
Data Analysis:
- Sigma Data Center: Yes
- SIGMA RIDE App: Yes
- Memory: Up to 100 h training
- File format: .fit
Basic Functions:
- Speed: Yes
- Average speed: Yes
- Maximum speed: Yes
- Distance: Yes
- Training time (net): Yes
- Calories: Yes
- Clock (12/24 hrs): Yes
Altitude Measurement:
- Current altitude: Yes
- Gradient (in %): Yes
- Altitude graph: Yes
- Altitude uphill: Yes
Cadence Functions:
- Cadence: Yes
- Average cadence: Yes
- Maximum cadence: Yes
Heart Rate Functions:
- Current heart rate: Yes
- Average heart rate: Yes
- Maximum heart rate: Yes
- Maximum heart rate (in % ): Yes
- Intensity zones: Yes
E-Bike Functions:
- Range: Yes
- E-bike battery: Yes
- Human Power vs. Motor Power: Yes
- Support level: Yes
- Light: Yes
Navigation Functions:
- Heading: Yes
- Turning guidance: Yes
Status Functions:
- Current temperature: Yes
- Device battery status: Yes
- Compass: Yes
In techinn we are dedicated to create high quality electronics and computers products which will make your activity comfortable. Are you interested in buying Sigma ROX 4.0 Cycling Computer With HR Kit? You are lucky, because at techinn in the Sport catalogue and Cycle computers category, we offer other electronics and computers products that can complement your order. Place your order now and receive it in a few days.
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4.83 / 5
29 Reviews
Rox 4.0 con fascia cardio
Luigi Scappini - 19/02/2024
excellent product, perfect delivery and service. The product works very well
Sigma
Roberto - 06/02/2024
Yes, it already comes with a heart sensor
Excellent product
Fabio Azevedo - 20/10/2023
Perfect, fast delivery and excellent quality product.
Greta value for money
Miguel Silva - 07/09/2023
For the price range a great choice.
Sigma rox 4.0
HUGO MESQUITA - 25/07/2023
Excellent product, easy to use. Good for anyone who wants to keep track of their performances. Very well packaged and fast shipping. I recommend.
Good gps
paolo - 28/06/2023
good product for value for money
Sigma rox 4.0
Juan Alberto - 03/04/2023
Simple but good but I have a connection problem with my mobile, I don't know if it is due to the new update. It constantly disconnects and connects and there are times that I have to reset again to reconnect and pair with the mobile. To record or follow routes, it goes well at all times, it tells you if you are going well or off the route
Perfect
JOAQUIN - 26/09/2022
excellent gps great functionality
Good basic gps.
Marcelo - 03/07/2022
Low price, German Sigma quality. It brings three basic modes for the information of the route on the screen, you can save and view data in the Komoot app, when synchronizing with the mobile. Useful for the amateur cyclist and the cadence sensor could be purchased separately, to further complete the data. The speed is marked by default, the GPS connects quickly and registers with good precision. It has a backlight and a full charge lasts for approximately 4 full 2-hour rides and still has a charge left. Good screen, clear, legible and the device weighs very little. I bought the pack with a heart rate band that comes with a battery included, but I think it's expired, because it doesn't sync to the GPS (I have to try a new one). It comes with a USB cable and butler Sigma (size suitable for thick MTB handlebars), which I had to replace with another brand, due to the thinner size of my handlebar.
Отличный велокомп
Andrii - 08/06/2022
Заказывал доставку в Украину. Товар пришел в течение 2-х недель. Велокомп полностью соответствует описанию. 100% оригинал. Я доволен, получил то что заказал. Плюс тут существенно дешевле, даже с учетом доставки, чем в веломагазинах Украины.
Excellent sigma 4.0
Javier - 07/06/2022
Product very good price, service and fast. Everything perfect with the HR kit
ROX 4 Review
Clarence - 04/03/2022
the product arrived overseas approximately 3 weeks from ordering. the product was well presented and easy to attach to the bike. the setup took little time. oddly the “off” function was not as intuitive as i thought. i found the screen prompt ,and arrow confusing but after some failed attempts i got the routine. overall rox 4 is solid interacting with my phone at an affordable price.
Great computer
Дмитрий - 22/02/2022
A good bike computer, the only thing you need to understand well is which version you are taking, now we will drive
Cool. sigma rox 4.0
Daro - 09/02/2022
Fast shipping. Product as described. Professional approach to the client.
Another Strong Offering from Sigma
Lloyd - 06/02/2022
I bought the Rox 4.0 because I though my 10 year old Sigma Rox 9.0 had died. Turns out it just needed a fresh battery (d'oh!). The Rox 4.0 has a number of advantages over the 9.0 in that it's much more customizable, and has more features including GPS. It's very easy to set up either manually or through the use of the SigmaRide app, and very simple to use. As a bonus it was about half the cost of the Rox 9.0. If it lasts as long as my old Sigma, I'll be very happy. Kudos to Bikeinn for fast and efficient shipping.
Sigma 4.0
Oscar - 03/02/2022
Product very good price, fast and good service. All perfect
Top price/performance ratio
Christoph - 21/01/2022
A good bike computer at a good price. I am absolutely satisfied with the device, easy to use, connection via app super easy and firmly installed. I especially like the fact that Komoot is usable!
Sigma on rox 4.0
Alejandro - 16/01/2022
Good packaging, fast shipping, good product. Thanks
Fits
Mali - 27/09/2021
Design is beautiful. Operation is not quite as intuitive as I would have liked. The operating instructions could also be a bit longer and more detailed. Create a proposal for a longer operating manual and make it available online. I think it's a shame that you can't save any gpx routes on the device. In order to use the navigation function, the mobile phone must always be connected to the device. This is of course annoying because you don't save a battery.
Very good recording and evaluation
Ralf - 25/09/2021
The presentation of the information is very good, and the app also fits. I finally know how much / little I drive, what heights I climb and what kind of pulse I have. Not so nice: very sensitive GPS, there is an immediate warning at underpasses, with a lot of trees the speed is not always right. The app would like the location on the mobile phone permanently, not only when using the app.
Awesome computer
Akshat - 22/09/2021
In this range it's awesome cycling computer. It has all those function which is necessary. Mounting is easy too. Once your hands adjusted to its button it works like charm. Also I have got this delivered at my door step in India.
Great product
aldo - 15/09/2021
Nice product at an affordable price. Congratulations also for shipping within the indicated times.
Great device, somewhat poor operating instructions
Roland - 15/09/2021
At the beginning I was very skeptical because I couldn't couple the app and the HR sensor. Then I contacted the Sigma service and they were very quick with the answers and tips, so that everything is now running as it should. 1 star trigger for non-intuitive operation and concise operating instructions
Good
Erioli Pietro - 12/09/2021
Good product but with a poor Italian translation especially in the coupling with smartphone and HR sensor, Bluethot not exceptional
Full control of routes
Raquel - 07/09/2021
Perfect to know both where you are going and then to be able to make a good analysis of the training
Excellent
Nosafra - 06/09/2021
Delivery deadlines respected, well packaged. Sigma rox 4.0 not super intuitive at first but perfect to use. 100% meets my expectations
Sigma rox 4.0
Nick - 02/09/2021
Very fast delivery. Best price over all others. I'm very satisfied.
Great
FABIO - 27/08/2021
All arrived in no time! As for the product, Sigma is a safety! The best in quality - price ratio
Great
Massimiliano - 26/08/2021
It arrived on time from them, all as in the description, excellent I would say.
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