Mechanical Bike Speedometer Classic Mountain Road Bike Computer Wat…

Features:1.Mechanical bike cycling odometer stopwatch waterproof speedometer.2.Made of aluminum alloy material,lightweight and durable.3.It works well to measure speed ,distance, riding time.4.Big backlight screen for easily and clearly reading all riding data especially when in a dimly lit.5.Suitable for 26in, 27.5in, 28in and 29in bicycle handle wheels.Specification:Material:Aluminum AlloyWire Length:Approx. 77cm / 30.3inchSpeedometer Diameter: Approx.8cm/3.1inchColor:BlackPackage Includes:1 Piece Bicycle Speedometer1 Piece Cable Wire1 Piece Speedometer Bracket1 Piece Rubber Gasket