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Andytpks
(@andytpks)
Active Member
Bowden tube

Hi everyone. Does it make sense to replace the stock Core One tube? I'd like to install the classic 1.75 blue Bowden tube...

 

But I can't find anyone who's done it, so I'm wondering if it would be helpful. I've always used it on MK3.5 and MK4S and it worked well. Thanks!

Posted : 18/12/2025 8:30 am
Jürgen
(@jurgen-7)
Noble Member
RE: Bowden tube

You can replace it; it will then be blue.😉 What other benefits would you expect?

Personally I have not found any deficiencies with the stock tube so far. For some filament types, people report that pushing them through the final sharp bend of the tube is problematic, but I think that it more a function of the small bend radius than of the tube material. Actually, if the blue tube is stiffer than the stock material, it might be difficult to install there.  

Posted : 18/12/2025 8:52 am
FoxRun3D
(@foxrun3d)
Illustrious Member
RE: Bowden tube

All the blue tubes I have are significantly stiffer than the white ones. Given the amount of movement of the tube I'd be inclined to stick with the flexibility of the white tubes. 

Formerly known on this forum as @fuchsr -- https://foxrun3d.com/

Posted : 18/12/2025 2:46 pm
hyiger
(@hyiger)
Noble Member
RE: Bowden tube

I installed a grey tube in mine: PTFE Tube Kit, 2.5mm ID×4mm OD after the white one was showing some wear. It's as flexible (actually I think slightly more flexible) than the stock white. 

Posted : 18/12/2025 2:54 pm
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