1. Project type: Bicycle seat post 2. Material: Carbon fiber 3. Color: As shown in the picture 4. Product diameter: Approximately 27.2 mm/1.1 inches 5. Length: Approximately 400 mm/15.7 inches 6. Weight: Approximately 227 g/8 ounces 7. Suitable gender: Unisex/Male or female 8. Use: Suitable for mountain bikes, road bikes, bicycles, etc. 9. Quantity: 1 piece 10. Packaging list: - 1 x Bicycle seat post 11. Notes: - 1. Please allow a 1 - 2 mm error due to manual measurement. Thank you! - 2. Due to differences in different monitors, the picture may not reflect the actual color of the item. 12. Features: - 1. Full 3K carbon fiber bicycle seat tube with a lightweight coating, high - end and elegant. - 2. Effectively ensure the strength of the tube. Strengthen the fixation to make cycling safer. - 3. High strength, fatigue - resistant. Corrosion - resistant, well - crafted and with a good touch. - 4. Suitable for mountain bikes, road bikes, bicycles, etc. - 5. Easy to install and disassemble, making your bicycle more attractive.