Full Speed Ahead Sl-K Seatpost SB20 25.4X350mm Road Bike, MTB Bike

The new SL-K SBS SB20 seatpost is lighter and stiffer than ever just 221 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
• Fit 7mm standard rails and 7X9mm oval rails
• Chromoly Hardware
• UD carbon finish
• Black graphics