Sigma ROX 4.0 GPS Cycle Computer HR Set Black

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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

What's included
• Bike computer
• USB-C cable
• Quick-start guide
• R1 DUO transmitter and chest strap


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!


The 2.4-inch-diagonal high-contrast display and extra-large numbers make it easy to read, even during a ride.


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.

Buy Gift Vouchers for friends or Family, ideal for special occasions or surprises. Vouchers available from ten pounds here
Sigma ROX 4.0 GPS Cycle Computer - Black Previous Sigma ROX 4.0 GPS Cycle Computer - Black
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