Installation diameter : 22.2mm / 0.874inch.Length x height : 55 x 38.8 mm / 2.17 x 1.53 inches. Packaging :Front Reflector X 1 ; Rear Reflector X 1 ; Wheel Reflector (White) X 4
Made of high quality AS plastic and adhesive materials.The reflector is set for the driver to know the road conditions and drive safely when the vehicle (especially the automobile) runs at night. When the car's illuminating light shines on the reflector, the driver will know the road ahead when he sees the reflected light.
Application:All kinds of bicycles and mountain bikes. (as long as the size is appropriate). Fits all standard spoke.
Installation:Please use a wrench to tighten the screws when installing to prevent them from falling off during riding.Fasten the reflector between the three spokes, and then rotate the buckle 90 degrees. (The reflector will not fall off during driving. Please rest assured)
Certification : JIS / BS / AS / CCC / GB/T / CPSC. Warranty:2 year.