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 500W‑5000W Motors: The bike hub motor nuts kit is usually used for 500W‑5000W 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. Product: Bicycle Hub Motor Nuts Kit Material: Steel Mounting Nut Specification: M14 Color: As Pictures Shown Weight: Approx. 120g / 4.2oz 2 x M14 Nut 2 x Thin Washer 2 x Thick Washer 1 x Large Washer 2 x Black Protective Cover 1 x Motor Wire White Plastic Connector