1. Description: The bicycle axle is made of high-quality premium iron, which is lightweight and durable, enough to reduce the load on the bicycle. It provides a comfortable riding experience. After installation, the bicycle axle is very stable and plays a protective role. Made of high-grade iron material, it has high strength, is durable, and can serve you for a long time. 2. Features: - Color: Random color. - Material: Iron. - Dimensions (front axle): 15.00 X 0.90 X 0.90 cm / 5.89 X 0.35 X 0.35 inches. - Dimensions (rear axle): 18.00 X 0.90 X 0.90 cm / 7.07 X 0.35 X 0.35 inches. - The quick - release axle for bicycle trailers and the rear wheel of the bicycle with a quick - release bicycle hub ensure optimal performance, maximum safety, and durability. The washers are resistant to high temperatures and wear, and are long - lasting. - The front and rear axle sets of the bicycle rear wheel are used to fix the bicycle. The hub axle can prevent the chain from tangling during transportation or cleaning of the chain and prevent the frame from being scratched. - The front and rear axle sets of the bicycle. The bicycle quick - release hub is made of iron, which is strong, durable, has high strength, and is not easy to deform. - The bicycle axle with a quick - cut axle and wheel can be removed from the frame and replaced without tools. You can quickly repair your mountain bike. - The ball bearing of the bicycle rear axle. The quick - release front and rear hubs of the bicycle are suitable for road bikes and most bicycles. Mountain bikes, etc. are the best choice for bicycle enthusiasts. 3. Packing list: 2 bicycle axles.