Feature(may vary by option.)
●Seat post size: 25.4 x 350 mm (1 x 13.8 inches). Please measure the actual diameter you need before purchasing. The seat clamp is not included, please buy the seat clamp separately if needed.●The bicycle seat post has a built-in spring coil and a damper rubber that absorbs vibration while riding and provide a comfortable riding experience.●Easy to use: the bottom of the spring-loaded bicycle seat post is equipped with an adjustable preload, which can change the required force according to the weight of the rider to achieve a good vibration damping effect.●High quality: made of aluminium housing, lightweight and durable. Polished anodized finish, never rust.●Universal fit: suitable for most bikes, such as road/mountain bikes/road bikes, fixed gear bikes, downhill bikes, MTB and BMX.[Black-27.2]
![](https://m.media-amazon.com/images/I/21R1MsRYU0L._AC_.jpg)
[Silver-27.2]
Description