Features: Carbon fiber tube with full carbon head is the pinnacle of lightweight performance and strength. This quick disassembling carbon fiber seatpost is easy to use. With the special design,the carbon fiber seat post can save for a long time. The carbon fiber seat post is made of high quality carbon fiber. So that you can use it relieved. The carbon Fiber bicycle seat post has an exquisite workmanship. One bolt design offers easy fore-aft and infinite angle adjustment. Double D'tube for superior strength,high strength full carbon head. Suitable for road and mountain bikes.