This is a bike flywheels guard, which is made of plastic material, sturdy and practical for a use. Adoption of stable structure, which can hold bike flywheels very well, and not easy to drop the chain. And it is easy and convenient for you to install and take off, saving you time and effort.Features-Color:Transparent-Material:Plastic-Size:16.80X16.80X1.00cm/6.60X6.60X0.39in-Selection of good plastic material, sturdy and durable, which is not easy to break.-A perfect replacement for replacing your old bike flywheels guard, and give you a better using experience.-It can prevent the chain from falling behind the flywheels and reduce deposits on the flywheels.-This bike spoke protector is convenient for you to install, and is a nice accessory for your bike.-A replacement for broken or old one, which will make your cycling more convenient.Package list: 1 x Bike Wheel Spoke Cover