Funn's New $39 Dropper Post Cartridge & More - Eurobike 2018

Jul 10, 2018 at 1:18
by Mike Levy  
Eurobike 2018

You can add Funn to the list of companies with reasonably priced dropper seat posts in their catalog, with the UpDown Funn (yes, that's its name) costing a relatively sensible $279 USD. Stroke options top out at 125mm and 150mm, but Funn will likely having a longer-travel option at some point soon, and you can get it in 30.9mm and 31.6mm diameters. They've used a twin-tube cartridge inside, and the idea is to simply open the post up and drop in a new cartridge - they cost $39 USD - if there's ever an issue.

The cartridge is sealed and not serviceable, but I had them strip one of their droppers down in the booth and it took about three minutes and zero swearing, so installing a new one should be a cinch. It also has a ''reset hydraulic circuit'' that bleeds air out of the system in the event the post isn't staying up in its travel.

Eurobike 2018
Eurobike 2018
The UpDown is easy to strip, and replacement cartridges cost just $39 USD.

The UpDown's remote is actually pretty impressive. It looks and feels like something you'd find on a much more expensive dropper post, and it can be configured to sit above or below the handlebar and on either the left or right side. It's also compatible with SRAM's Matchmaker mounting. Routing is internal only, and Funn says that the 31.6mm, 150mm option comes in at 590-grams.

Eurobike 2018
Always wanted an orange stem? Here it is.

Funn's Crossfire stem is also a new addition, and much like many of Funn's other components, you can get it in a load of different colors. Even black! They went with 6061 aluminum to keep the stem's MSRP relatively low - the 35mm length version costs $65 USD, and the 50mm goes for $67 USD - and each length is available in 31.8mm and 35mm handlebar clamp. Stack height is a low 35mm, too.

Eurobike 2018
With a 35mm internal width, the Fantom AM40 wheelset is ready for your high-volume rubber.

Next up is their new Fantom AM40 wheelset that gets the wider-is-better treatment, with an internal width of 35mm and an external width of 45mm. These are pretty straightforward aluminum wheels - Funn isn't trying to change the game here - and you can get them in both 27.5'' and 29'' diameters, and Boost or non-Boost hub spacing. You can't swap between different hub spacing via end-caps, though, as their Boost hub is rocking wider spoke flanges to make use of the extra real estate.

The Fantom AM40 wheelset goes for $640 USD in 27.5'' and $650 USD for the big wheeler size.


  • + 14
 Brought an updown, the only thing it didn't do out of the box was go up and down. Got a replacement, same thing.
  • + 7
 Was hoping this post would lift my spirits, but alas, I am let down again
  • + 6
 @rabbit-Tbone: are you not having funn???
  • + 2
 This. Their dropper is currently 169.99CAD on CRC and i was so tempted to try it. Until of course i read EVERY single review saying theirs either broke on the very first ride, or immediately after installing. I can't believe they didn't just recall them. There's clearly something very wrong with their design.
  • + 2
 why are companies even trying, oneUp has it all. Jokes aside, we need competition between producers, so we can get lower prices. Still waiting for oneUp to get their droppers in stock
  • + 3
 OneUp drastically underestimated demand I think. Thankfully I got an early 170.
  • + 7
 @Svinyard: We sure did. Fingers crossed posts should be shipping this week.
  • + 1
 @OneUpComponents: I am signed up for the email alert and waiting with bated breath.
  • + 2
 @OneUpComponents: Glad I got mine the first day! Loving it.
  • + 4
 No long-travel dropper option? Funn, your post has let me down...
  • + 11
 I think what you meant to write is “your post hasn’t let me down enough”.
  • + 2
 @Crossmaxx: It was a bit of a downer... my hopes dropped.
  • + 3
 Rims are 35mm internal and 45mm external?!? Those are some super beefy sidewalls.
  • + 3
 " If there's ever an issue" cartridges sold in 6-packs
  • + 1
 You still have ?
  • + 3
 Good looking stem design.
  • + 1
 I need cartridges, anyone?
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