UPANBIKE Bike Seat Post Aluminum Alloy Extra Long 17.7inch(450mm) Replacement Bicycle Seatpost φ 25.4 27.2 28.6 30.4 30.9 31.6mm(31.6mm)
Brand: UPANBIKE
Color: Black 450*31.6mm

Note: 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 about 25.0mm~25.2mm only, not exactly 25.4mm.
Replacement Seatpost, extended extra long length.
Material : 6061 T6 Aluminum
Length: 450mm
Tube Outter diameter: 25.4mm, 27.2mm,28.6mm,30.4mm,30.8mm,31.6mm
Package includes: 1 seatpost

Please measure and confirm the spec you really need before purchase. To fit frame seatpost hole:31.6mm
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