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Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Features:100% Brand new and high quality!Easy Set Up and InstallWireless Bicycle speedometer with LCD display.Monitor your bikes' speed， distance and riding time.Wireless design is more convenient and good looking.Ideal assistant for bicycle training.Perfect to use when hiking， climbing， riding and other outdoor actives.Make your sports life more free and comfortable.Lightweight， durableJust the accessory， the bike not included.Specifications:SPD: Current SpeedODO: OdometerDST: Trip DistanceMXS: Maxium SpeedAVS: Average SpeedTM: Elapsed TimeCLK: Clock (12H/ 24H)SCAN. "+"-" ComparatorSetting Speed Scale: km/h， m/hSetting Tyre Circumference:(0 mm - 9999 mm).Seeing the Last Value of Odometer.Freeze Frame Memory.Wireless Transmission.Green BacklightAuto: ON/ OFF.Material: ABSSize: approx. 4.5 x 4.5 x 1.8cmColor: BlackNet Weight: 66gPackage includes:1 x Bicycle Wireless Computer Odometer Speedometer.1 x Sensor.1 x Mounting Shoe.1 x CR203 Button Battery for Bike Computer.4 x Cable Ties.1 x Wheel Magnet loving life，loving shopping Having a wonderful day~Brand New