About this item Top materials: Manufactured using a close manufacturing process, barrel and shaft adapters are designed for precision and durability. Its environmentally friendly plating process reduces production pollution, making it a sustainable choice for your cycling adventures. The bicycle axle is compact and easy to carry, suitable for any bicycle riding. Perfect for people who go out cycling. Light weight: This barrel axle quick release adapter through the axle is made of high-density aluminum alloy, providing lighter weight and higher strength for your riding needs. The use of precision manufacturing processes ensures a perfect fit and smooth operation. Minimalist packaging is perfect for reducing carbon emissions. Universal accessories: This adapter includes an adapter through the axle for different bicycle multipurpose. Whether you are a beginner or an experienced cyclist, this bicycle straight-axis accelerator is a must have for your cycling. This bicycle hub shaft is suitable for most length matching bicycles, mountain bikes, variable speed vehicles, trainers, etc. The best choice for bike lovers. Excellent material: Superb technology makes the bicycle axle look very delicate, the surface is smooth without burrs, the thread end is complete and deep, the force is uniform, not easy to slip, light and practical, wear-resistant and sturdy, suitable for long-term riding. It is lighter, does not increase the amount of training in your training, and is suitable for long-term riding. Precision machining, high strength, sturdy, not easy to break, long service life. Easy to install: The adapter has a thread length of 12 mm, a pitch of 12 mm x 1.5mm, and a length of 175mm/6.89inch ensuring a safe fit for your bike. Simply attach and go. The bicycle axle is easy to install and disassemble, good stability, excellent performance, can be quickly replaced, very suitable for mountain bikes, easy to use, for your journey to bring more convenience.