This Mountain Road Repair Accessory is a repair kit designed for mountain and road bikes. It is made of stainless steel, ensuring performance and resistance to rust. With its multi-functional design, it includes both the hub spring and fastener , allowing users to easily repair the hub of their bikes. Installation is simple and does not require any professional skills, making it convenient for users to fix their bikes on their own. This accessory kit is suitable for multiple uses. It is also highly compatible and can be used with various brands and models of mountain and road bikes. Features -Color:Silver -Material:Alloy -Size:1.00X0.50X0.30cm/0.39X0.20X0.12in -Size(base spring):2.50X2.50X0.20cm/0.98X0.98X0.08in -This Mountain Road Repair Kit is a must-have for bike enthusiasts. -Crafted with stainless steel materials, this repair kit ensures durability and resistance to rust. -Its versatile design includes both the hub spring and , allowing for easy and efficient repair of the bike's hub. -Whether you are a professional cyclist or a casual rider, this repair kit is designed to be user-friendly and can be easily installed without the need for any skills. -With its design, it is also highly compatible, making it suitable for use with a wide range of mountain and road bikes. Package list: 1 x Base Springs 3 x Spring Fastener