The ROX 4.0 has over 30 functions, offering all the data you need, such as altitude profile, speed, distance, and training time. The outstanding 2.4 inch display is very easy to read, even when the bike is moving. A genuine highlight of ROX 4.0 is the integrated air pressure sensor that uses barometric readings to determine inclines and declines. Providing you with reliable information about altitude and generating a precise record of your route. ROX 4.0 shows navigation and can automatically connect with your e-bike and external sensors for measuring speed, heart rate, and cadence. 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 in seconds. Along with the user-friendly operation with three buttons, this allows a bike tour to be started right away. Key Features • 30+ functions • Large, easy-to-read, high-contrast 2.4-inch diagonal display • Simple operation • Customisable display views with the free SIGMA RIDE app • Connect using ANT+ or BLE to external sensors such as speed, heart, and cadence sensors • Smart notifications - incoming calls and messages - appear on the display • Classic SIGMA GPS handlebar bracket fits handlebars of all sizes • E-bike ready • Available in Black and White What's included • Bike computer • GPS mount • Attachment material • USB-C cable • Quick-start instructions
We understand that price is important, so we regularly price check our competitors to make sure we have the best offers available. We recognise that we will not always be the cheapest, so if you see the same product cheaper from any of our competitors then please get in touch via the form below and we will do our best to match any reasonable advertised price.
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|SKUs / Part Numbers||SG01060, SG01061|
Please note: Manufacturers can sometimes change the specification of the products from time to time.
All of our UK Customers can select our FREE standard delivery option on any order over £30 (except exclusions). Learn more about J E James delivery services. Click here
Once processed, items will typically be dispatched via Royal Mail 48hr. However, larger and.or higher-value items may be dispatched via a separate courier.
We are proud to say that all of our bikes are pre-built and go through a rigorous inspection procedure before the bike arrives at your doorstep. In order to minimise packaging and transit damage, all bikes are partially dismantled for shipping. Please note that some assembly will be required, which we recommend be carried out by an experienced mechanic. To help with assembly we have created our helpful assembly guide. Click here to view assembly guide
J E James Cycles Click and Collect feature is a great way of securing your product before coming into store selecting your nearest J E James Cycle branch for free. Once your product is ready for collection your chosen J E James Branch will contact you via text or telephone. Meaning you do not make a wasted trip. Please do not come into store until you receive this message. Learn more about J E James Click and Collect. Click here
We have many happy customers based outside of the UK because we try and keep our delivery charges to minimum. The best way to calculate how much delivery of any item via our website is to add products to your cart and proceed through the checkout process, please then enter your delivery details. Our website at this time will calculate the cost of delivery to your country. Orders delivered outside of the EU are exempt from VAT. Learn more about J E James Cycles international delivery. Please click here
Our main aim is to make sure you are happy with your purchase. You can contact our returns department directly via email: [email protected]
Learn more about our returns policy here.
Trust our 14 years of experience in the bicycle insurance industry. Our comprehensive, customisable, and competitively priced coverage includes easy online quotes, fast claims handling, and expert customer service.
We offer 10 days free cover with all new bikes purchased, provided by our insurance partner VeloLife. You will be covered for the first 10 days of ownership against theft and accidental damage, so you can purchase with confidence.
Give yourself the comfort of no obligation free insurance, make sure you have peace of mind from the moment you leave the store. If anything happens to the bike in the first 10 days of ownership, know you are covered!