• FSA SL-K SBS SB20 Seatpost

        • $85.99 85.99
        • RRP $113.99
        • Save 25%
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      Di2 Compatible
      Not Di2 Compatible

FSA SL-K SBS SB20 Seatpost

The 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 seatpost yet.


  • Material: UD Carbon shaft with bonded alloy head, Forged alloy “SBS” 2-bolt head, Cr-Mo steel Hardware
  • Finish: UD carbon
  • Setback: 20mm - 0mm
  • Weight: 221 grams (Ø27.2 x 350mm not Di2 compatible)

Buy FSA Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

  • Delivery cost $9.99
  • Delivery toUnited States of America
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
  • Pay by Bank Transfer, PayPal or Card


  • Colour: Red, Black
  • Option: Di2 Compatible, Not Di2 Compatible
  • Length: 350mm
  • Material: Carbon
  • Diameter: 27.2mm, 31.6mm

Interested in FSA Seatposts?

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