This fits your . Make sure this fits by entering your model number. Great Waterproof Performance, handle all kinds of weather. Powered by a built-in 2032 button cell, low power consumption, long time endurance to support your long rides. Provides with intelligent chip, ensures a stable property, your data will not missing even if it is out of power, provides accurate measurable ability. 2.8 inch LED screen, adopts FSTN material, you can see the figure clearly from any angle. Green backlight, very clear and distinct at night. Multiple function arbitrary switching, easy to operate. Intelligent choose standby mode and working mode automatically. Very power saving.