Thinvik Bike Seat Post,Polished Aluminum Alloy,350mm,Mountain &Road Bicycle Fixed Gear Cycling Seatpost 25.4/27.2/28.6/30.4/30.8/31.6mm,Silver Seat Post Replacement-30.8mm

Thinvik Bike Seat Post,Polished Aluminum Alloy,350mm,Mountain &Road Bicycle Fixed Gear Cycling Seatpost 25.4/27.2/28.6/30.4/30.8/31.6mm,Silver Seat Post Replacement-30.8mm

• 【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