B128 Extra Long Bicycle Seatpost (Length 450mm)

To fit frame seatpost hole:27.2mm Important note: real measure of the seatpost diameter is a little smaller than the number marks on it. e.g.:25.4mm one may measures about 25.0~25.2mm only Extra long: 17.7" (45cm); Help to raise height of saddle, so that tall rider don't have to bent much forward Replacement seatpost for most bike, mountain bike, road bike, universal bikes Clamp is adjustable for the saddle tilt angle SpecificationsMaterial:6061 T6 Aluminum alloyColor:blackWeight:about 380gLength:450mmTube thickness:2.5mm,high strength. Tube Outter diameter:25.4mm,27.2mm,28.6mm,30.4mm,30.9mm,31.6mm.Extra Length:Help to raise height of saddle,so that tall rider do not have to bent much forward.Package includes:1 X Bike SeatpostPay attention:Normally it's not supposed to put over 220 lbs(100kg) on this seatpost.SizeNote:The diameter number is for frame seatpost hole,the seatpost measures a little smaller than the diameter number marked on the seatpost.e.g: a 25.4mm seatpost measures ab