The new SL-K SBS SB20 seatpost is lighter and stiffer than ever.  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
• WE & Di2 Compatible