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 • Overclamp Butler fits on handlebars of 31.8 and 35 mm diameters • E-bike ready • Available in Black and White What's included • Bike computer • USB-C cable • Quick-start guide • R1 DUO transmitter and chest strap • OVERCLAMP BUTLER GPS
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 £50 (except exclusions). Learn more about J E James delivery services. Click here
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. Bike are partially dismantled for shipping and are delivered with some assembly being required. 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.
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Learn more about our returns policy here: Click here to view returns policy