【MATERIAL】 Made of 6061 aluminum alloy, Lightweight strong and durable.Polished anodized finish, never rust.
【SIZE】 Length350mm; Diameter25.4mm/27.2mm/28.6mm/31.6mm; Thickness of the tube 3mm.
【USE&FIT】 Seatpost used for most MTB mountain road bicycle, fixed gear bike, downhill bike, track bike etc. it is easy to instal.
【SAFE LINE MARK】 There is a safety line mark on the seatpost. Please insert at least above the minimum safety line when installing the new seatpost.
【PAY ATTENTION】 Please choose the size according to the inside diameter of the frame tube. Saddle clamp is not included, please buy the saddle clamp separately if needed.