Linear X axis rail MGN12 for K1 Max use stock 20 t pulleys without rooting?

I have printed a set in petg for linear X axis rail and bought a 400 mm rail mgn12 +railcarriage mgn12 and want to use this to replace the x axis rods on my K1 max.
I have the 20 teeth pulleys and will not change those.

Can I do this without having to root my K1 max???

who can answer this question for me?

Rails are just a slide thing so it shouldn’t affect anything.

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According to numeorus people who prints for Voron and Rat Rig, you should use ABS od ASA for mechanical parts, not PETG.

thank you for noticing

I get in Asa tomorrow and reprint the parts

I have installed the mod.

The mgn rail hitted the back steppermotors lightly at the nozzlecleaning proces but I solved that problem…

But the results are very good and vfa has vanished. I have to tune in some more to get everything in the right order.

got everything in right order now. printing with linear rail is fine an improvement I can say.

old model on the left with a lot of vfa and new one on the right with less till almost no vfa.