1. Material: aluminum alloy 2. Applicable models: for Ninebot F20/F25/F30/F40 3. Circulates air around the brakes to help dissipate heat 4. Easy to install and use 5. Made of aluminum alloy, high strength and good hardness 6. Wear-resistant, not easy to rust, long service life 7. Weight: 70 grams 8. Note: Only the brakes will be shipped, nothing else!
