🚴 Ultimate Performance: CYCLESPEED Rechargeable Bike Computer - Wireless, Waterproof Speedometer Odometer with LCD Backlight Display - Perfect for MTB and Road Bikes! Review

【Rechargeable】Innovative technology USB rechargeable bike speedometer odometer, the power goes from 0 to 100% just in 2 hours. When the backlight of bicycle computer odometer turns off, standby for 150 hours is available. The computer speedometer odometer could work for 12 hours with backlight. The sensor requires a CR2032 battery, it could work for a long time. 【21 Multifunctions and Optimization】 This bicycle computer has 21 functions that can meet all your riding needs. For this product, we have two improvements: magnet and odometer function. Instead of the previous plastic magnets, we use alloy magnets that can be more firmly attached to the spokes. The cycle computer could save the total kilometers now if you clear the last trip data. 【IPX7 waterproof rating】Designed with waterproof seal ring on the back cover of the wireless bicycle speedometer, the waterproof protection of bike odometer speedometer is strengthened again to offer you the best experience. 【Installation requirements】To install the bicycle odometer, here are the requirements. 1. The distance between sensor and main unit is less than 50cm, main unit can receive signals and work, closer, better. (The computer sometimes would display a fluctuating data for over 50cm distance, it does not effects all data) 2.The distance between magnet and sensor should be about 5 mm, the closer, the better. 3. The magnet faces the back of the sensor’s battery. 【How to measure wheel size】Measure wheel size before you start settings the cycling computer. Set the valve vertically on the surface and mark it. Make one full spin and stop with the valve in the same position as before and mark it to 0. Measure the distance between the two markers and insert the value(mm) in the computer.