The Spool holder used in A1 mini is attached to the Z-axis column and is compatible with most commonly used filament spools.
Bambu Lab A1 Mini Review: Not Different, Just Better
Shop Accessories for A1 Series at Bambu Lab CA
Bambu Lab A1 Mini VS Prusa Mini Plus – p3d
Bambu Lab AMS Compatible Filaments - 3D FilaPrint
Bambu A1 Mini Tool Box
Overview, The Spool holder used in A1 mini is attached to the Z-axis column and is compatible with most commonly used filament spools., Compatibility,
Spool Holder - A1 mini
Bambu A1 Mini and AMS Lite : r/BambuLab
Shop Accessories for A1 Series at Bambu Lab US
A1 Spool Holder Installation Tutorial
Bambu Lab A1 mini 3D Printer
Shop Best selling products at Bambu Lab US