1.Easy onehanded operation: Experience optimized maintenance efficiency for your bike with a precisionmachined smooth cam lever that enables quick release and supports effortless onehanded operation, saving you time during assembly and maintenance without additional effort 2.Effective protection against rust and scratches: Thanks to the thoughtful design made of durable materials, the risk of rust and scratches is significantly reduced. This ensures lasting aesthetics in a variety of colors to suit different preferences. The quick assembly and longlasting use make this wheel axle a practical choice for every cyclist 3.Precise processing: Highquality aluminum combined with a robust steel core ensures improved while riding and enhances structural integrity when using large flange hubs 4.Versatile application: Thoughtful design of the front and rear dropouts ensures compatibility with a wide range of bicycles and seamlessly adapts to different wheel sizes. The userfriendly adjustment options make it easy to use the product for different bike types while ensuring an optimal fit