Cateye Strada Slimline Head Unit and Sensor. A new era of compact cyclo-computers. Cateye have somehow managed to jam all the functions, features and more of the Strada Wireless into an even slimmer version. The head unit has a 23% bigger screen yet is 35% thinner and lighter. The Strada Slim is not only the sleekest most aerodynamic cyclo-computer in over 30 years of Cateye innovation, it is also the most efficient; using smaller batteries it consumes up to 75% less energy consumption. 8 Functions: Current speed, average speed, odometer, maximum speed, trip distance 1, trip distance 2, elapsed time and clock (12-24hr). Suited to Road bikes.