- Seatpost made of aluminum alloy, offering strength and durability for prolonged use - Dimensions: 25.4mm diameter and 250mm length, suitable for mountain, road, and MTB bikes - Scale marked on the tube to facilitate safe and precise seat adjustment - Easy installation: only requires loosening the previous seat bolt and securing the new one - Tube thickness of 2.5mm provides stability and support - Compatible with most standard bicycle frames - Does not include seat clamp, it is recommended to check the diameter before purchase - Ideal for those looking to upgrade or replace their bicycle's seatpost