The ROX 4.0 GPS Cycle Computer Sensor Set by SIGMA offers more than 30 functions, providing essential data such as altitude profile, speed, distance, and training time. The impressive 2.4-inch display ensures clear visibility even while cycling. A standout feature of the ROX 4.0 is the integrated air pressure sensor, using barometric readings to calculate inclines and declines accurately, offering reliable altitude information and creating a precise route record. The device also supports navigation and seamlessly connects to e-bikes and external sensors for speed, heart rate, and cadence measurements.Key Features:• 30+ functions• Large, easy-to-read 2.4-inch display• Simple operation• Customisable display views with the SIGMA RIDE app• Connect with ANT+ or BLE external sensors• Smart notifications for calls and messages• OVERCLAMP BUTLER fits handlebars of 31.8 and 35 mm diameters• E-bike compatible• Available in Black and WhiteWhat’s included:• Bike computer• USB-C cable• Quick-start guide• R1 DUO transmitter and chest strap• OVERCLAMP BUTLER GPS• DUO MAGNETLESS SPEED sensor• DUO MAGNETLESS CADENCE sensor