Description: 【Premium Material】: The Bike chain guard is made of high quality PP material, sturdy, wear resistant, and durable. 【Chain Protection】: The bike chainring guard cover can protect your bicycles chain from dust, waterproof, stone, etc, and also you do not need to worry about spilling oils on your pants when you are riding. 【Easy to Install】: The chain guard cover is really easy to install, has no complicated process is needed, convenient to install and detach. 【SIMPLE DESIGN】: This crank Rings protector is designed with lightweight and classic, which makes it easy to carry, and it will not affect your riding. 【APPLICATION】: Chainring sprockets cranksets guard is suitable for 32-36 T chainring, mountain road bike cycle accessories. Specification: Material: PP Installation Instructions: 1. Take out the bottom bracket 2. Put in the fixed bracket 3. Reinstall the bottom bracket 4. Do not install the bracket backward 5. Reinstall the crankset 6. Reinstall the chain 7. Install the chain guard 8. Screws to fix the chain covers 9. Fix the tail of the chain cover (please alignment the holes in advance) Note: It cannot be installed on a car with a bottom bracket; it cannot be installed on a car with a hollow bottom bracket. Size Chart: 45.5cm/17.91inch Package Includes: 1 Bike Chain Guard Note: Please allow slightly errors due to manual measurement and different monitors.