1.Note:

Please do measure and confirm the exact post diameter that you need for your bike. Otherwise it may too small or too large for your bike frame seatpost hole.

2.How to Choose the Right Size

①.Check the diameter of the original seatpost,choose the same diameter of the original seatpost. For example, if there's a mark " Φ27.2"on your old seat post, then you can buy a new 27.2 mm seat post.I

②.If you have a vernier caliper,measure the diameter of the original seatpost,then buy a similar size new seat post.For example, if the measurement is about 27.1 mm, then select a 27.2 mm seat post will do.

③.Measure the inner diameter of the middle tube of the frame. then buy a 1mm thickness less new seat post.

3.Product Imformation

Material:6061 Aluminum alloy

Diamter:25.4 mm 27.2 mm 28.6 mm 30.4 mm 30.8mm 31.6 mm

Length:350 mm

Wall Thickness:3 mm

Color:Silver

Weight:About 170g~180g
【IMPORTANT NOTE】Please do measure the actual required diameter before purchasing. (Saddle clamp is not included, please buy the saddle clamp separately if needed)
【RELAX RIDING】Made of Polished Aluminum Alloy,light weight,strong and durable,Stable and not easy to break
【USE&FIT】Length:350mm;Diameter:25.4mm 27.2mm 28.6mm 30.4mm 30.8mm 31.6mm;Thickness of the tube:3mm.Seatpost used for for most old style bike,and the bike saddle with clamp
【SAFE LINE MARK】There is a safe line mark on the seat post. Please insert at least above the minimum safety line
【EASY INSTALLATION】Just unbolt your old seat and remove your seat post then bolt on your seat to your new seat post and install it into your bike frame