Made of high quality titanium alloy- lightweight, high-strength, anti-rust and solidUltra-light would not add any burden to your bikes Screw lever design locks your seatpost tightlyQuick releases handle for convenient install and adjusting Fits for Brompton folding bikes Material:Aluminum alloycolour:SilverPackage Contents:1 x Folding Bike Seatpost ClampOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.