Wireless Bike Computer Speedometer - Waterproof Cycling Odometer with Backlight for Mountain & Road Bikes - Track Speed, Distance & Time for Outdoor Cycling Training

Features: 1. MECHANICAL MEASURE: This is a general mechanical speedometer, good quality with accurate data. 2. EASY TO MOUNT: This computer is easy to mount, we provide necessary parts for you to install. 3. SUITABLE FOR: It works for 26/27.5/28/29 inch bikes, you can check your bike size and chose one computer. 4. IDEAL ACCESSORY: This computer is an ideal accessory for bike lovers, the must instrument you should need for your bike journey. 5. GUARANTEE: If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem. Specification: Condition: Brand New Material: Aluminum Alloy Color: Black Size: Approx. 11 * 8 * 8 cm / 4.3 * 3.1 * 3.1 in Weight: Approx. 333 g Package List: 1 * Computer Note: Only the Computer, bike others are just Photography Props.