Experience with Zeno DIY couplers

Tech Tech Help
1

Hi everyone,

This might be too recent of a release but let me try. I want to get Zeno couplers for my road and gravel bikes to travel in a small bag.

I already got one pair of the hoses they offer with the couplers already on it. The disadvantage is that I’ll have to pull the old hoses out.

now I saw that they also offer a DIY kit that allows you to attach the old hose to the coupler in the same way you’d attach a lever or caliper, I.e. with olive and nut: https://www.youtube.com/watch?v=nCeEAslY3zw

has anyone tried these? I think for the gravel bike it would save me a lot of time and effort without the aero and looks penalty being too much of a concern. I’m just worried that it could be less reliable than the pre-pressed hoses.

2

Surely a Zeno coupler would never reach the other end?

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3

Not sure I follow or I’ve explained it well.

Zeno offers three versions:

  1. The shop version - you need a special tool to clamp it and you can use your existing hoses. I can’t use that because they seem to sell that only to shops
  2. Preclamped hoses - that seems to be the safest choice, but I need to replace the old hose which I’m trying to avoid
  3. DIY version where you can connect to an existing hose by screwing the pin and sockets on to the hose with an olive and nut.

I’m trying to see for option 3 if anyone has tried before.

4

Sorry, it was a lame joke. I just thought it paradoxical that anyone would name a connector after Zeno of Elea: https://greekreporter.com/2026/02/11/strange-paradoxes-puzzles-zeno-elea/

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5

Ahh should have caught that - thank you for sharing

6

I didn’t realise Zeno was responsible for that “never get there” paradox, but crucially the couplers have a fixed, non-zero length, so it does not apply here. (I’m also interested in these for a gravel bike, but have never seen any, and probably won’t unless I order some.)

7

I have them on my bike because I wanted to test how much they improve servicability on integrated cockpits. I am not fully convinced, at least in current form and for use inside a frame. It takes significant force to connect and disconnect them, and they are quite slippery. So I need two pliers and quite a few attemps to do the task. Also not quite sure about the claimed dry connect/disconnect, I certainly have a few drops of mineral oil flying around when I finally manage to disconnect. If they sit outside on a travel/split bike, which was the original application, I am sure they will work much better.

8

Thank you for the insight - agree - I don’t think it would work well within the frame, just by seeing how little space the headset area typically has. For my bikes the hoses route under the stem so I do have space.

Did you get the regular version or the bigger DIY version? I suspect you have the regular because the DIY version that takes an olive to connect seems quite bulky.

9

I have the crimped version. It definately helps if there is enough slack in the brake line. If it is a short section between the headset and where it it makes the bend to the handlebar, twisting it (as you need to disconnect) can become quite hard.

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