Seatpost – FSA SL-K

FSA SL-K Seat Post The new SL-K SBS SB20 seatpost is lighter and stiffer than ever – just 222 grams for the 27.2 x 350mm length. Using a UD carbon shaft with a bonded alloy head and a sophisticated MTC clamp design, we can achieve what we believe is the finest SL-K seat post yet. Available with a polymer Di2 battery holder.


  • UD Carbon shaft with bonded alloy head
  • Forged alloy Top Clamp
  • Chromoly Hardware
  • UD carbon finish
  • Size 27.2mm
  • Length 350mm
  • Set Back 0mm and 20mm
  • $85