CATEYE CC-VT230W VELO WRELESS BLACK (P)The Velo Wireless now packs even more punch with a programmable odometer and menu screen Functions include current, average and maximum speed, trip and total distance, elapsed time, clock and calorie consumption Analog wireless speed function with pace arrow, auto start and stop with simple tire size setup Installs easily on almost any bike, including 27. 5 and 29 inch