I’ve been using Spool Roller / Holder for Bambu Lab P1P / P1S / X1 / X1C by suit1337 - MakerWorld with two 608 ball bearings and I kid you not I print standard (not HS) Overture TPU 95A at 5mm³/s just fine. Balls bearings make all the difference.
I cook the spool with Filament drying cover for X1C/P1S by maruel - MakerWorld first.
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