Description: 1. Optional Products: Provide excellent companies for your bike travel. After assembly, you can load many things and need to carry them on your shoulders, making them ideal for carrying suitcases, backpacks, baskets, etc Adjustable front fork: The lower pair of front forks can be adjusted to fit your bike, providing additional safety. Ideal for a variety of racing, mountain biking, etc Application: This bicycle frame is suitable for bicycles with a seat rod diameter less than 33mm. It supports up to 25 kilograms 4. Material: The bicycle frame is made of high-strength aluminum alloy, which is rust resistant, corrosion resistant, durable, and sturdy 5. Easy to install: Easy and firmly fixed to the bicycle seat pole Material: aluminum alloy Color: Black Maximum capacity: approx. 25 kg (depending on the lever of the seat) Applicable seat rod diameter: about 33mm/1.3 Total rod length: approximately 55 cm Width: approximately 14.5 cm/5.7 cm Rack length: approximately 35.5cm/14.0 Weight: about 1312g Package includes: 1 * bicycle seat bracket Note: Due to manual measurement, please allow a small error. Please make sure you dont mind before bidding 2. Colors may vary depending on the display. Please understand Note: Hello, please pay attention to your shipping address when purchasing products. If your receipt information (such as name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly.