Fitment: Road bike seat post fits for F8 F10 F12 bicycles, 340mm long.Material: Made of T700 high modulus carbon fiber, monocoque construction, light weight, no rust, no bending, comes with screws and nuts.Function: Designed to provide superior stiffness and yet absorb road shock to give you a performance advantage.Easy Installation: Very simple to install, just unscrew the old seat, remove the seat post, and then bolt the seat to your new seat tube, finally install it to your bike.Replacement: A good and direct replacement for old or broken seat post.Type: Bicycle Seat PostApplcable Models: F8 F10 F12Colour:blackMaterial:carbon fibertype:A: 0 degreePackage Contents:1 x Road Bike Seat Post Seat TubeOnly the above package content, other products are not included.Note: Light reflection 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.