Description This product is a high-quality screw washer, suitable for bike hubs, can play a very good fixation, with stronger locking force, can well protect bike accessories! It is made of high-quality aluminum alloy material, which is corrosion resistant and does not rust. It will meet your needs well and is an accessory. Features - Color: Black. - Material: Aluminum alloy. - Size: About 4.00X4.00X0.30cm/1.57X1.57X0.12inch. - 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. 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