Bike Seatpost 25.4/27.2/28.6/30.8/31.6 350Mm Aluminum Alloy Bicycle Seat Post for MTB Road Bike BMX

PAY ATTENTION:Please measure and confirm the exact post diameter required for your bike. MATERIAL: Made of 6061 aluminum alloy, Lightweight strong and durable.Comes anodized in Black, Blue,Red and Silver,colorfast surface,great anti-corrosion SIZE: Diameter: 25.4/27.2/28.6/30.8/31.6mm; Length:350mm; 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. USE&FIT:Widely use in most road bicycles, fixed gear bicycles, mountain bikes, downhill bicycles, rail bikes, MTB, etc. Product Description Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Price $15.99$15.99 $8.99$8.99 $7.59$7.59 $18.99$18.99 $22.99$22.99 $9.99$9.99 COLOR Black Black,Red,Blue,Gold Black,Red,Blue,Gold Black，Silver Black Black,Red,Blue,White,Pink Product information MATERIAL: Made of 6061 aluminum alloy Diameter: 25.4/27.2/28.6/30.8/31.6mm; Length:350mm; COLOR: black,red,blue,silver USE&FIT:Widely use in most road bicycles, fixed gear bicycles, mountain bikes, downhill bicycles, rail bikes, MTB, etc. Package Included: 1 x Bike Seatpost How to measure and confirm the diameter that you need? Please do measure and confirm the exact post diameter that you need for your bike. Otherwise you may find it too small or too large for your bike frame seat post hole, then you'll have to spend more time to return it. Thank you for your support. Method 1 Measure the outer diameter of the original seat post ,and choose the same size as your original one, if the measurement is about 28.6mm, then select a 28.6mm seat post will do. Method 2 Check the diameter mark on your old seat post, normally there's a size mark on your old seat post. For example, if there's a mark " Φ 28.6"on your old seat post, then you can buy a new 28.6mm seat post. Method 3 Measure the inner diameter of the frame seat tube, For example, if the measurement is about 28.6mm, then select a 28.6mm seat post will do.