Bike Seatpost - Diameter: 27.2mm/1.07"; Length: 300mm/11.81"; Thickness of the tube: 2.2mm/0.09".
Simple installation: detach your old seat by unbolting it and take off the seat post. Then, attach your new seat to the new seat post and insert it into the bike frame.
Suitable for most bike,such as fixed gear bicycle, mountain bikes, track bike, road bike, etc.
Made of high-quality aluminum alloy, light weight but good load-bearing, good touch and anti-oxidation.
Note:There is a safe line mark on the seat post. Please insert at least above the minimum safety line.