Features:1.The brake disc is made of high quality metal and fiber material, rust-resistant and durable.2.Wear-resisting and powerful braking function.3.For rear brake disc replacement to ensure brake safety.4.The operation is simple and convenient, necessary parts for brake.5.The brake disc is suitable for Xiaomi Mijia M365 electric scooter brake disc accessories. Specification:Colour: BlackMaterial: metal + fiber materialSize: diameter: about 20mm / 0.79in; thickness: about 4mm / 0.16inUses: Electric scooter brake pad replacementincludes:2pair x Scooter brake disc Note: 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. Sold by-Minnanxin