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FSA SL-K Carbon SB0


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  • Black Graphic, 27.2mm, 400mm
  • Black Graphic, 27.2mm, 350mm
  • Black Graphic, 31.6mm, 400mm

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SL-K Carbon SB0

Lop some serious weight off of your steed an improve the ride quality at the same time with the SL-K Carbon SB0 seatpost from Full Speed Ahead. Only troubling the scales at 182 grams for the 27.2 x 350-millimeter version, this post is ideal on any drop bar bike or short travel and hardtail cross-country race bikes where pedaling stiffness and a smooth ride come courtesy of its one-piece, uninterrupted unidirectional carbon fiber construction.

Holding the rails in place at the top of the post, the SL-K Carbon SB0 uses FSA's forged alloy Minimal Top Clamp (MTC) that further reduces weight, while still allowing for plenty of fore/aft and tilt adjustment of your saddle position with its slip-free two-bolt design. M5 chromoly and stainless steel hardware keeps the weight down and is highly resistant to corrosion from the elements. It comes with a polymer battery holder sleeve for those using the latest electronic drivetrains.

  • A lightweight carbon seatpost for drop bar and XC cycling
  • Unidirectional carbon balances stiffness with smooth ride quality
  • Minimal Top Clamp (MTC) further reduces weight
  • Chromoly and stainless steel hardware is resistant to the elements
  • Comes with Di2 battery holder sleeve
  • Item #FSA003F

Claimed Weight
Recommended Use
commuting, cross-country, cyclocross, gravel, mud/sand/snow, road cycling
Manufacturer Warranty
2 years

Tech Specs

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Work with carbon rail seats?


Does this stem accept oval 7x9 mm carbon rails?