The CatEye Velo 9 CC-VL820 Bicycle Computer in black is a versatile and reliable cycling device that offers a wide range of features such as wireless connectivity, GPS, calorie counter, speedometer, altimeter, stopwatch, and more. This unisex computer is lightweight, weighing only 0.25 pounds, and is compatible with various bike models and tire sizes. With a programmable odometer, total distance tracking, and speed comparator, the CatEye Velo 9 is a must-have for serious cyclists looking to enhance their performance and monitoring their progress on the road.