Our product can effectively prevent chain drop and chain jumping when cycling. Sturdy structure design ensures high stability and high strength. Lightweight and compact design makes it add no extra weight to your bike. It is made of quality nylon fiber and saigang engineering plastic material. It is easy and convenient installation, no need to dismantle the crank. It is suitable for bikes, Item Name: Chain Deflector Material: Nylon Fiber, Saigang Engineering Plastic Features: Lightweight, High-strength, Wear Resistant Size Details: Fit E-Type Installation 3.18cm-3.49cm/1.25"-1.37" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Chain Deflector