Feature:1. Steel Material: The bicycle hub motor nuts kit is made of high quality steel material, strong, durable, and having a long service life.2. Replacement Part: Bicycle nuts kit is used to replace electric bike hub motor nuts, effectively improve the performance of your bike.3. Fit 500W5000W Motors: The bike hub motor nuts kit is usually used for 500W5000W motors with 14mm shaft refitted by lithium batteries.4. Applicable Model: Bicycle hub motor nuts washers kit fits most bikes, electric bikes, scooters and other replacement nuts kits.5. Good Workmanship: Exquisite workmanship, beautiful appearance, small and portable size, providing you great using experience.Specification:Product: Bicycle Hub Motor Nuts KitMaterial: SteelMounting Nut Specification: M14Color: As Pictures ShownWeight: Approx. 120g or 4.2oz.Package List:2 x M14 Nut2 x Thin Washer2 x Thick Washer1 x Large Washer2 x Black Protective Cover1 x Motor Wire White Plastic ConnectorNote:Pay attention to motor type and size