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Item # FSA000A

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Item # FSA000A

A light, smooth-riding post for enthusiasts and racers alike.

Stiffness, light weight, and smooth ride are all tangible benefits of carbon fiber seatposts;, however, value often suffers in the pursuit of improvement. Thankfully, the FSA SL-K Carbon Seatpost combines race-ready weight and stiffness with a working man's budget, and doesn't sacrifice the characteristics that you need from your post.

The SL-K Carbon Seatpost employs uni-directional carbon fiber construction to shed precious grams. However, that doesn't mean a thing if it's not reliable. Accordingly, FSA subjected it to the industry's toughest quality standards, CEN. You may have guessed that it passed with flying colors. The reliable two-bolt alloy seat clamp allows for micro-adjustments that are essential for perfecting your fit. The wall thickness and weave pattern provide plenty of damping to cancel out harsh road chatter, without sacrificing the rigidity needed for a hard push in the saddle.

The FSA SL-K Carbon Seatpost is available in 27.2mm, 30.9mm, and 31.6mm diameter, in zero-offset, or with 20mm of setback, and in the colors Red and White.

  • Uni-directional carbon fiber construction
  • Two bolt micro-adjust head
  • 0mm or 20mm offset available

  • Unidirectional carbon fiber
  • Two bolt micro-adjustable head
  • 0mm or 20mm offset

Tech Specs

Claimed Weight:
222 g
Diameter:
[SB0] 27.2 mm, 30.9 mm, 31.6 mm, [SB20] 27.2 mm, 31.6 mm
Offset:
[SB0] 0 mm, [SB20] 20 mm
Length:
[SB0] 350 mm, [SB20x27.2/31.6mm] 350 mm, [SB20x27.2mm] 400 mm
Material:
[shaft] uniderectional carbon fiber, [head] alloy
Recommended Use:
cycling
Manufacturer Warranty:
2 years

Reviews & Community

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FSA SL-K Carbon Seatpost

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Here's what others have to say...

5 5

I am a big fan

After buying this originally I actually tried other posts when
I built up a couple other bikes and end up taking this one on to each bike I ride. It takes my oval rails without any hassle and is easy to adjust. Ride quality is excellent

Hi. Would this seatpost fit a Fi'zi:k Thar Saddle? Thanks in advance

Avg. ride time: 4h 53m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.
5 5

FSA SL-K Seat Post

  • Familiarity: I've used it several times

What can I say? It is from FSA! Great seat post for price, comfomfort and adjustablility! Might weigh a bit more than others but it is not the area to save weight and loose comfort!

5 5

Great value!

  • Familiarity: I've put it through the wringer

I didn't want to dish out a ton of money on a carbon seat post.. so this was a great buy for me. It's not the lightest carbon seat post out there, but it gets the job done. It's well built (I have over 1000 miles on it) and carbon very noticeably dampens your ride. Also, There's one screw on the seat clamp which adjusts the angle of the seat so adjustment is super easy! Overall: a great buy for a noticeably smoother ride.