DescriptionThis product is a high-quality screw washer, suitable for bike hubs, canplay a very good fixation, with stronger locking force, can wellprotect bike accessories! It is made of high-quality aluminum alloymaterial, which is corrosion resistant and does not rust. It will meetyour needs well and is an accessory.Features-Color: Silver-Material:Aluminium-Size: 5.1x5.1x0.6cm/2x2x0.24in - With good fastening function, it can well protect your bike accessories. - High-quality products and reasonable design provide you with a good using experience. - The excellent production process makes it have a smooth and comfortable without burrs. - It is made of premium materials, has a strong structure, durable and will not be easily damaged. - The product has a wide range of applications, and is an choice for mountain bikes, road bikes, etc.