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FSA SL-K seatpost review

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$99.99

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FSA SL-K seatpost

BikeRadar verdict

4.5 out of 5 stars

"Whichever way you measure it, the SL-K is a great performing seatpost. A worthy addition to any bike"

4 comments
Wed 1 Feb 2012, 4:00 pm GMTBy

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FSA uprated their SL-K carbon fibre components a couple of years ago and the result is one of the best budget carbon seatposts available. The SL-K is relatively light, cheap, easy to adjust and totally reliable.

In the two years that we've been running it, across several bikes, we haven’t had any issues. Most importantly for us, it's comfortable. Not all carbon seatposts can claim a tick in each of those boxes and even fewer alloy ones can. To get them all, at what's a knockout price for the spec, is awesome value.

FSA run one of the most stringent test programs in the bike industry to ensure that their carbon is up to the mark. Our own extensive ‘in-field’ testing of SL-K and its big brother K-Force back this up, and we simply don’t have any reliability issues to report; really, it’s that good.

The SL-K can be had with inline or 25mm set back heads so you can tailor it to maximise your bike fit. Flies in the ointment are few, though we would like more corrosion resistant hardware to stop the post from going rusty.

This article was originally published in What Mountain Bike magazine.

What's the score with BikeRadar reviews? You can find a full explanation of our ratings here.

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User Reviews

There are 4 reviews on this post

Showing 1 - 4 of 4 comments

  • dont recomend them as I had to put a little piece of tube between the 2 arc surfaces that the seat is attached to, and then torque to 8 Nm (much more than max allowed) in order to stop the seat changing its position.

    jim

  • I cannot comment on the latest redesign of the SLK post, but the previous ones were aweful. I had one of them that had the alu head come off of the carbon shaft (it was glued in, the glue came unstuck) ... while riding along on a road bike. This one was warrantied without trouble. On the replacement, however, the head was not fitted to the shaft properly. This meant that when a saddle was installed on it, it would be cocked off to one side of the bike (which was a tad uncomfortable...). Ended up replacing with a quality post, good riddance.

  • don't buy one ! my broke whilest riding , it's not easy riding home with no saddle !Definitley a manufacturing fault it looked as though there was porosity in the lay up .I sent the post back to the UK distributer , the post was in guarentee , but no refund was offered.

  • have had one for over a year on my pompino commuter, never budged, never slipped. works perfectly.

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Specification

Name:
SL-K seatpost (11)
Built by:
FSA
Price:
$99.99

Description:
Option: offset 20 mm
Weight (g):
222 g
Material:
Carbon Fibre
Lengths Available:
350mm
Diameters Available:
27.2mm, 31.6mm

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