The Ryder BDW9 Big Digit Wireless Bicycle Computer features a large, easy-to-read display that tracks current speed, average speed, maximum speed, trip distance, and total distance. This versatile computer accommodates wheel sizes from 20” to 29” (including 700C) and fits all standard and oversized forks/handlebars. Additional features include a trip timer, digital clock, and auto-scan function. With low power consumption and included batteries, this wireless computer is ready to enhance your cycling experience right away.