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KS ETEN Dropper Seatpost


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  • Black, 30.9mmx75mm
  • Black, 30.9mmx100mm
  • Black, 31.6mmx75mm
  • Black, 31.6mmx100mm

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Why We Like The ETEN Dropper Seatpost

If you're looking for an affordable dropper post that gets the job done without any hassle take a look at the KS ETEN. The under-saddle actuator is a blast from the past that we don't see very often these days, but it's a simple and easy-to-install system that makes it so you'll never have to bother with finicky cables. The post is made from robust alloy and steel, and uses a factory-sealed hydraulic cartridge that ensures reliable usage season after season.

  • A simple, reliable dropper post that won't break the bank
  • Lever-actuated design means you'll never have to mess with cables
  • Sealed hydraulic cartridge brings dependable performance
  • Robust construction is built to last
  • Item #KSS1WU1

[mast] alloy, [stanchion] steel
27.2mm, 30.9mm, 31.6mm
[27.2mm] 410mm, [30.9mm, 31.6mm] 385mm
cable-actuated, factory-sealed air spring hydraulic cartridge
Claimed Weight
[27.2mm] 1lb 7.6oz (670g), [30.9mm] 1lb 6.3oz (632g), [31.6mm] 1lb 7.2oz (659g)
Manufacturer Warranty
2 years
cross-country, gravel, trail

Tech Specs

What do you think about this product?


>Rating: 5

YES! No more remote and less cables

I've used it several times
True to size
Size Bought
6` 1"
180 lbs

It works great and is a lot smoother action than the air version with remove button/lever that I had before, from a different manufacturer. KS is my new go-to for dropper posts and I'll be ordering one for my kids and friends.

>Rating: 4

Simple, solid dropper

I gave it as a gift but have feedback to share

I added this to my Cannondale Trail Singlespeed. I've become so accustomed to my dropper on my Bronson, when I'm out riding the singlespeed, I noticed the seat always being right there when I head back down the hill. I was shocked when I actually found a dropper in the older 27.2 size seatpost diameter. I like how simple this is, no extra cables and levers, which keeps my singlespeed bike simple, and purpose built.


Does the piece of the dropper that attaches to the seat bottom out when you drop the seat? I want to drop the post as much as possible because I'm short.


Do you have this is 27.2mm? Any other under the seat alternative?