SL-K seatpost SB20


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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 SBS 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 Ø7mm standard rails and 7X9mm oval rails
  • Chromoly Hardware
  • UD carbon finish
  • Black graphics


Code Type
192-0058039030 SP ROAD SL-K SBS carbon SB20 25.4x350mm A9
192-0058001030 SP ROAD SL-K SBS carbon SB20 27.2x350mm A9
192-0058033030 SP ROAD SL-K SBS carbon SB20 27.2x400mm A9
192-0058005030 SP ROAD SL-K SBS carbon SB20 31.6x350mm A9


Type Seatposts
Technology SBS
Color Neutral
Series SL-K
Discipline ROAD, MTB
Material Carbon
Weight (gr) 221
Compatibility WE/Di2
Length 350; 400
Seatback Interval 20