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ROX 4.0 – GPS bike computer with altitude measurement The ROX 4.0 GPS bike computer supports bikers on bike tours with 30 functions and user-friendly controls, enabling them 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. Use the free SIGMA RIDE app to track your current ride data and analyse them at any time on your smart phone.
The high-contrast ROX 4.0 display´s dimensions and extra-large numbers make it easy to read, even during a ride. The special Red Circle on the upper right corner of the display is highlighted in colour and offers bikers innovative, interesting display of training data. With the free SIGMA RIDE app for smart phones, the computer can be used to set individualised display views in just a few clicks – up to six screens can be configured, each with three values. The fourth value, current speed, is shown continuously on the display.
The ROX 4.0 bike computer can be positioned on the handlebars in a few easy steps. There is no need to mount cables or sensors. After it is switched on, the ROX 4.0 uses GPS and GLONASS to determine the biker´s position within seconds. The user-friendly operation with three buttons enables you to start a bike tour right away.
A true highlight of the ROX 4.0 is the integrated air pressure sensor. It uses barometric readings to provide bikers with reliable information about altitude and to determine inclines and declines, allowing a precise recording of the 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 can be set manually.
The ROX 4.0 bike computer can be connected to the komoot app on your smart phone. Your smart phone can therefore stay in your pocket during the bike tour. Turn-by-turn instructions can be shown either as an arrow on the display or inside the Red Circle. This circle on the display is highlighted in colour and also shows the distance to the next turn-off as a coloured bar that gets shorter as the turn-off gets nearer. The number of metres to the next turn-off is also displayed next to the circle.
Thanks to ANT+ and BLE, external sensors such as speed, heart, and cadence sensors can also be connected to the ROX 4.0, so those who want even more data and even greater value precision can keep an eye on all of them if they wish.
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 the current assist mode, battery status, and light and other data on the display or in the Red Circle.
The SIGMA RIDE app collects training data and transfers them via BLE from your ROX 4.0 to the smart phone. The most important data and statistics can be displayed in an organised form with coloured data fields and read quickly from the screen and assessed conveniently at any time.
The ROX 4.0 is delivered with the conventional GPS handlebar bracket. This disc can be mounted to the handlebars or stem with cable ties, and the ROX 4.0 can be twisted into it and fixed in place with a single click.
The Overclamp Butler is available in the HR and SENSOR Set and as an accessory. It 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. The Butler fits on handlebars with diameters of 31.8 to 35 mm.
General
-Dimensions (W x H x D): 44.9 x 73.6 x 18.4 mm
-Weight: 51 g
-Standard version in black and white
-Full text display with eight languages
-Waterproof in accordance with IPX7
-2.4-inch transflective display with Red Circle
-Backlight
-Battery time up to 25 hours
-BLE and ANT+ connectivity
-Smart notifications
-Sensors: speed, cadence, heart rate
-E-bike-ready
-Sensors: GPS, GLONASS, barometric altitude measurement, ambient light sensor
Training
-Individually adjustable sport profiles
-Six individually adjustable training views
Data analysis
-SIGMA RIDE app and SIGMA DATA CENTER
-100-hour log memory
-.fit file format
Functions
-Speed functions
-Kilometre functions
-Time functions
-Altitude measurement functions
-Cadence functions
-Heart rate functions
-E-bike functions
-Navigation functions (komoot)
-Other functions: temperature
Are you thinking of buying Sigma ROX 4.0 cycling computer? This is one of the star products at techinn, the online electronics and computers store. The price is 69.99 $, limited time! At techinn you can benefit from the biggest advantages and find products from Sigma at the best price. All our electronics and computers products have a manufacturer quality guarantee.
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4.89 / 5
54 Reviews
Very happy
ma - 22/01/2024
Very good operation. Delighted
Great purchase
Miguel Angel Romero Burgos - 19/01/2024
I was looking for a cycle computer of a certain quality for the bike. It has exceeded all my expectations. I wear glasses and I see it perfectly. I expected it to be a little bigger, but the numbers and the bottom looked good. It has many functions, although perhaps now it would be necessary to configure the heart rate zones. Maybe in a future update of the app. I recommend it 100%.
sigma
David - 09/01/2024
like all products purchased, so far, at bike inn, very satisfied with communication, price and speed of delivery. The name sigma speaks for itself. I recommend
100% satisfied
Alexandra - 03/01/2024
I have carried out 3 runs and I can state that: - pairing with the Selphone (using SIGMA APP) is intuitive, fast and completely customizable - the distance and altitude values recorded during the run were compared with those recorded with another GPS DEVICE (extensively tested) and are absolutely true - I attached the SIGMA ROX 4.0 to the bike using GARMIN mounts and everything works solidly and securely. - 5 hours of use (including the initial pairing with the phone) required 12% of battery (therefore in line with what SIGMA declared) - operation using the 3 buttons is convenient and simple - the SIGMA APP exports the files recorded during the ride in .FIT format, therefore perfectly compatible for loading onto any other APP for sports or tourism use. I am therefore absolutely satisfied with the product, I recommend it without reservations and I compliment the fast shipping and sturdy packaging
Not in use yet
David Badminton - 08/11/2023
I am not using this unit as yet, but I have set it up and tested it. The set up was easy just follow the instructions and it all seemed to work OK. Will know more when I start using next year
Worth the price
Flo - 02/11/2023
Good quality, it s worth the price
Malfunction
Carlos Borges - 16/08/2023
Good afternoon, Regarding the product supplied by you, I would like to inform you that it is not working correctly. Let me explain: the distance indicated as covered is greater than reality and with the bike stopped it continues to add km. on the next steps. Greetings. Carlos Borges
It works very well.
Antonio - 29/07/2023
It works very well, in the installation it was difficult to edit the screens and the battery charge, when resetting the device it was possible to do it. It is the second that I have on two bikes and for the price it is very good.
The best of the cheapest, i recommend
Robson - 22/07/2023
Counter with GPS everything you need has and works.
Nice bike computer!
Paul - 16/07/2023
I think the product is great. No sensors added and not really tried the navigation yet but already a big step forward from my 7.16 ATS. Very happy with it. Recommended
Very simple and very good
Flávio Severino - 24/05/2023
I only bought the cycle computer, the most basic package. Reading is great even in bad conditions (very sunny or at night). The battery has lasted about 12-15 hours and part of that is with the GPS giving route directions. The GPS needs some getting used to but it works very well. For this price you can go anywhere and you know you can go there and back. The interface with the Sigma Ride App (free application) is very simple and fast and it is not necessary to purchase maps from external platforms to have altimetry (simplified) and route indications. So far, I would buy again and highly recommend.
Sigma rox 4
David - 20/05/2023
Does its job, good screen and easy to install
Satisfied
Simon - 05/05/2023
Easy to install and it has the features I want. Battery life seems to be ok. The display is large and easy to read.
Very good
kazu - 31/03/2023
Easy to install and looks great. I am satisfied that the battery life is good.
Good product
Blai - 05/03/2023
Good product, simple but complies
4.5 out of 5 with potential for 6 (top) points
J.D. - 22/10/2022
- POSITIVE: o Out of the box - makes almost everything perfect o Functionality very large & good (best in price class) o Very good readability (+ size) and arrangement of the measured values o Very good lighting & illumination in all lighting conditions (sun incl.) o Very good speedometer in the bracket on&off o Very good measured values without own calibration (only necessary for height) o Intuitive for people who know handheld devices o Sensors are found immediately o Installation/operation without cable&magnet! and easy for skilled hands • Multi-bicycle operation?! o Attachment compatible with other products (e.g. Garmin) o Potential on Super o Many wow effects when unpacking / first use - NEGATIVE: o Improvement desired for installation of bracket and sensors (alignment due to bracket only possible to a limited extent or rubber will tear sooner or later /defect/loss threatens - control necessary!) o Commissioning was difficult (the very first switching on - despite full battery) o No Super 6 points achieved due to mistakes - NEUTRAL: o For IOS (Apple) OS 13 is required - is regrettable for too many devices like this • Use of older mobile phones (approx. 5-6 years) not possible
Functional and easy to use
Joe - 20/09/2022
After downloading and making the appropriate settings for the SIGMA Ride and Komoot app, I was more than satisfied with how easy the SIGMA ROX 4.0 is to use. Above all, I find the design of the pages very practical. The expectations of this bike computer have been fully met.
Impressionnant pour le prix
Pierre - 26/08/2022
Je suis ravi de ce produit. Il est bien assez complet pour mes besoins. L’écran est d’une belle grandeur et facile à lire et à configurer. L'appareillage avec le smartphone et l’ajout des deux apps gratuites est un gros plus. Déjà, une mise à jour intéressante du micro logiciel a été produite par la compagnie. Je recommande l’achat du kit complet avec les trois capteurs et le support.
Excellent product, i recommend
Danilo - 14/08/2022
Another excellent Sigma product with excellent quality. Very good connectivity with the smartphone, I recommend
It connects to the ebike
Dany - 12/08/2022
I wanted to use the tool for a few times before writing a review, overall it works well and is quite intuitive, let's say in the norm for the price range. However, it would be necessary to improve the management of start and stop of the training (phase in which it records the track and data) it happens that sometimes it interrupts it and if you do not notice the display pieces of recording are lost, you find a straight line along the recorded track . Furthermore, it happened to me that after synchronization with the MyRide App, the activity carried out during the day did not appear. Activity regularly recorded within the device, then retrieved manually. In conclusion, a valid tool in relation to the price, the connectivity with different ebikes is much appreciated, keys a little too large, it is easy to press them without wanting to, clear display is always visible, we hope for some firmware update to improve the aspects described above.
Rox4
Pawel - 09/08/2022
A long-lasting, nice counter, it has all the functions that are needed for an amateur adventurer. The battery lasts a long time, the backlight does the job at night.
Cool
Roberto - 16/07/2022
A great device, it works great and with very good information and with a good view. Very good size and shape. With the speed sensor it works perfectly. It connected to the mobile without problem.
Обзор
Oleksandr - 09/07/2022
I am very pleased with the purchase, I doubted it, but I trusted it. The only minus is the long delivery to Ukraine, but taking into account this situation - "wars", the Russians who attacked my country
Sigma ROX 4.0 - Great compact computer for all you need
Marc - 21/06/2022
Fabulous all I need bike computer. Did not need all the fancy bells and whistles, but did need turn by turn navigation as we go camping a lot and I like to discover new areas. Provides me with all the data I need, with notifications and connectivity to my devices. Could not be happier and would suggest and purchase again.
Great cycle computer
Nuno - 20/06/2022
GPS very easy to use, clear and accurate. I recommend the purchase.
Opinion on purchase
warlesom - 15/06/2022
great purchase very satisfied with product according to specifications super recommend. fast delivery and the store is excellent.
Great product
Alex - 17/05/2022
Reality great cyclocomputer, keto and with a lot of functions!
Product
Nivaldo - 06/05/2022
Good quality product and I recommend both the product and the store!
Sigma rox 4.0
Dario - 13/04/2022
Good product with excellent value for money. The only flaw is a slight delay in navigator function with Komoot. Recommended product.
Something needs improvement
Michele - 02/04/2022
Delivery was fast and on time. The first pairing between device and smartphone presented some difficulties. Reinstalled the Sigma Ride app the problems were solved. Sigma Ride is functional and pleasant for me to use. Rox 4.0 is light and compact, easy to place on the handlebar. The support is fixed with electrician clamps, practical and economical, but does not allow the possibility of using it on more than one bike. Excellent visibility of the display in all light conditions and the possibility of programming its functions via the Sigma Ride app is useful. The combination with Komoot is effective. I traveled about 400Km with Rox 4.0 but found the navigator function to be mediocre, certainly to be improved. I found a gap of several seconds, if you prefer meters, between the turn indication displayed on Rox 4.0 compared to Komoot or a cartographic map. The delay is quite annoying when dealing with crossroads, roundabouts or navigating in the city. For precise navigation it is necessary to slow down to a crawl near the intersection, or keep the smartphone in sight, making navigation with Rox 4.0 useless. The autonomy is very good, but lower than that declared if the navigation function is activated
Sigma red 4.0
Roger Ramírez - 23/03/2022
Excellent product, the quality of the material is good, the functions they have are necessary for my needs, the price is very good. I recommend it.
Very complete
Victor - 14/03/2022
Used in Orbea Rise m20, it marks the percentage of the battery (very important data in this Ebike), cadence, I associate my band to the pulse, assistance mode, everything I needed for little money.
Sigma ROX 4.0
Vladimir Mišić - 07/03/2022
Very easy to use, clear and accurate gps. I recommend the purchase.
Great cycle computer
Alessandro - 20/02/2022
Excellent cycle computer: excellent data visibility, connects to the e-mtb (shimano ep8 RS), connects to Komoot and shows navigation instructions. Minimalist, but it has absolutely everything!
Sigma 4.0 rox
Luca - 04/02/2022
Excellent cycle computer, arrived in a few days and well packed .... At a very good price
Sigma rox 4.0 and extra support.
VICTOR - 01/02/2022
Good purchase, the product well protected. It took a little longer than originally stated, but as soon as it arrived at the warehouse it was shipped quickly. I only missed a product information telephone number, because I asked how they indicated me in the product description and nobody answered. I will buy again. All the best.
Okay
Cesar - 27/01/2022
Good product and seriousness in this online website, I will continue using it
Sigma rox 4.0
Stefano - 08/12/2021
excellent GPS, not really clear in the operation, however I recommend the purchase
Good product
Serafin - 23/10/2021
I am going to clarify one thing, the cycle computer itself does not need any accessories to measure all the data that are necessary for your bike rides. If you have a pulse meter that connects to the Bluetooth system or another, it will help you and more if it is from the Sigma brand, I have one and it pairs without problem, and everything else, the gps will measure it, geolocate your bike and go. As for the accessories, they are just that, accessories in case you want me to read other parameters more finely. For the rest, as supplied, it serves to give you the necessary information.
Present
Jose Rafael - 21/10/2021
They gave it to me for my birthday, great. To do kilometers
Sigma ROX 4
Bill - 21/09/2021
Well made device with the functionality i wanted for my bike. Links well with the Sigma app. Well packed and delivery on time taking into account weekend
Sigma rox 4.0
Jörg - 18/09/2021
Device keeps what it promises, delivery went as advertised and promised!
Sigma rox 4.0
mauro - 15/09/2021
after the first uses I can only consider myself satisfied with the purchase made. as soon as you turn on the guide, you can immediately connect with your phone, and also with the most commonly used apps. during use it is simple and intuitive, moreover having the indication of the turn also helps in moving on programmed routes
Assessment
Lauro Bosi - 14/09/2021
Product arrived intact, I haven't tried it yet but I think that like all Sigma products they are excellent
Sigma rox 4.0 bike computer
Jose - 14/09/2021
Super fast delivery, it has synchronized fast with the mobile and with the external cardio band. I like the product.
*5
Helder Moreira - 13/09/2021
Very good and fast delivery.
Sigma rox 4.0
Sigma rox 4.0 - 10/09/2021
A very good counter for a reasonable price. It has all the most important functions of the counter. Simple to use, well made. This is my fourth Sigma counter. I was not disappointed. I would highly recommend.
Comment
Nivaldo - 10/09/2021
the product suits my use and the delivery was perfect!
Sigma rox 4.0
Jessica - 04/09/2021
Hello, at the moment I have used it only a couple of times and everything is fine, everything perfect. Good product.
Great device
Alex - 03/09/2021
Arrived quickly, just turned on easy initial setup. Used only once per hour, it has detected a much lower altitude than the Sports-Tracker app used at the same time on the smartphone, it seems to me that the slope updates much earlier downhill than uphill but I expect to be able to use it better after a few more exit, I will also try the integration with Komoot as soon as possible, while I find some difficulties in the interface with the app. all things considered, I would say that for just over 60 euros it is an excellent device, small, light, easy to read and place, I ordered 3 more handlebar mounts to rotate it on my bikes.
Great combination of navi & bike computer
Deian Koutzarov - 31/08/2021
For me personally, a great combination of navigation and bike computer, because I wanted to replace my dependency on the cell phone when I don't have to. The NAVI function has to be optimized under Views so that the street name and the remaining distance to the change of direction are displayed. Find the height measurement - & profile very successful. All in one - RECOMMENDED!
Sigma rox 4.0
Saul - 19/08/2021
All perfect. Excellent synchronization with GPS. It's perfect for everything ...
Sigma rox 4.0
Paolo Bernu - 18/08/2021
my first GPS bike computer. Excellent first impression, he needed to update the firmware (2 times in sequence) to respond more smoothly, better to use the software from a PC in my case the APP did not allow the upgrade. The display is very readable and customizable. I have been using SIGMA for years, products that are always lasting over time. Excellent sensitivity to the GPS signal, easy to use and share route data. Very flexible to be used on different bikes, even ebikes. OPTIMAL
Order sigma rox 4.0
Massimo - 12/08/2021
Everything is OK. The article did not arrive soon as it was not available immediately but the rest is ok. Fully satisfied. Well packed package, if I need it I will definitely make other purchases. Also regarding a question I asked them, they answered me immediately.
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