<ul><li>Size: Diameter: 27.2mm 30.9mm 31.6mm; Length: 350 mm (13.8inch)</li><li>Material: made of high strength aluminum alloy, light weight, anti-rust and durable.</li><li>Pay Attention: Please measure the original bike seatpost diameter and choose the correct size before purchasing.</li><li>Easy installation: Unbolt your old seat and remove your seatpost then bolt on your seat to your new seat post and install it into your bike frame.</li><li>Compatibility: Suitable for most mountain bikes, road bikes, downhill bikes, BMX, DH, etc.</li></ul><br><br>Aeibxiy Seatpost is made of high strength aluminum alloy, light weight, anti-rust and durable. Please measure the original bike seat post diameter and choose the correct size before purchasing.

Aeibxiy Bike SeatPost 27.2mm 30.9mm 31.6mm Aluminum Alloy 350mm Bicycle Seat Post for Mountain Road Bikes BMX