FSA SL-K Carbon SB20 Seatpost 27.2 x 400mm Black/GreyThe FSA SL-K Carbon SB20 Seatpost is built for the next era of racing with no setback. The UD carbon finish looks sleek while Chromoly Hardware hold everything in place. The Forged Alloy Minimal Top Clamp saves weight, as well as is easy to use. Ultra light weight around 221g.840031051264