1. Material: plastic 2. Easy in and easy out, no need to disassemble it 3. Flywheel cleaning brush can be used to clean the flywheel gap, make the cleaning cleaner 4. Full enclosure design, not easy to damage the bodywork 5. Thick material, durable 6. Use it together with matching tools, more convenient for you to ride 7. Increase chain life and reduce noise and chain wear 8. Suitable for many types of bikes, including motorcycles, road bikes and mountain bikes
