Brand Bluelans
27.2/30.9/31.6mm Mountain Bike Seatpost Aluminum Alloy Long Bicycle Seat Post - blue, 1 Specifications: This 400mm long seatpost will help you get a better ride height on a relatively low bicycle, and the head and seat angle can be adjusted for easy installation. Made of high-quality 6061 aluminum alloy, it has 4.9 super-high strength, maximum 580 pounds, so that it is light weight, never rust and never bend. It is suitable for most mountain bikes, road bikes, folding bikes, downhill bikes, track and field bikes, MTB, BMX, DH, etc. How to Choose a Size: Check the diameter of the original seatpost and choose the same size as the original diameter. Measure the inner diameter of the frame tube. Item Name: Bike Seat Post Material: Aluminum Alloy 6061-T6 Specifications: 01: 2.72cm x 40cm, 02: 3.09cm x 40cm, 03: 3.16cm x 40cm Features: Durable, Easy to Install, Bike Parts Suitable Frame Seat Post Hole Diameter: 27.2mm/1.07", 30.9mm/1.22", 31.9mm/1.24", Column Length: 400mm/15.75", Thickness: 2.5mm/0.10&qu