Features:1.Lightweight and compact size, easy to carry and storage. Convenient for your travel.2.Easy to Use: Just point the lubricator to the bicycle chain and turn the bicycle pedal, the lubricant will be automatically and evenly delivered to the chain, and the whole process takes only a few seconds.3.Chain oiler will releases the capacity of lubricant which bicycle chain really needs.No oil splashes around, no oil leaks.4.Wide Application: Suitable for all kinds of bikes, such as road bikes, city bikes, mountain bikes and folding bikes.5.100 Satisfaction: If you have any question, please feel free to .We will try out best to help you. Notice:Please allow 1-3cm deviation due to manual measurementActual color may be slightly different from the image due to different monitor and light effectMaterial: Reusable PlasticDiameter: 5.8cmThick:1.7cmPackage List:1x Bike Chain Oiler Lubricator