Features1ALUMINUM ALLOY MADE: The electric scooter brake disc set is made of aluminum alloy, which is sturdy and durable, and can withstand longterm use without being easily damaged, ensuring safety and stability. 2HIGH PERFORMANCE DISCS: The brake discs in the set have a diameter of 120mm, which is wear resistant, durable and not easy to corrode, ensuring a long lasting and stable braking effect. 3SUITABLE FOR XIAOMI ELECTRIC SCOOTER: This set is especially suitable for Xiaomi electric scooter, which can be ly compatible to ensure the convenience of installation and use. 4POWERFUL BRAKING EFFECT: Adopting oil brake braking system, it has braking performance, whether it is flat road or downhill, it can provide stable and powerful braking effect to ensure riding safety. 5 MATCH: The oil brakes, brake discs and oil brake conversion base in this set can be ly matched with the electric scooter, replacing the old and broken parts to enhance its performance.SpecificationItem Type: Electric Scooter Brake Disc KitMaterial: AluminumWeight: Approx. 375g / 13.2ozBrake Disk Diameter: 120mm / 4.7inApplicable: For Xiaomi M365 pro pro2 And Other ScootersPackage List1 x Oil Brake1 x Brake Disc1 x Conversion Bracket11 x Screws4 x Spacer