Yosoo Wireless Digital Bicycle Cycle Computer Bike Speedo Speedometer Odometer + Backlight Large display - Width 9cm | Thickness 1.5cm | Height 4.5cm Water resistant, Blue back light Option of KMH or MPH The maximum speed display is 99MPH Fits all wheel sizes, adjustable in settings menu, Speedo just clicks off to avoid theft, Ideal fitting for suspension forks