The Spool holder used in A1 mini is attached to the Z-axis column and is compatible with most commonly used filament spools.
Bambu Labs A1 Enclosure Kit – Clearview Plastics
Shop A1 Series at Bambu Lab Global
Bambulab A1 Mini leaked on FaceBook : r/3Dprinting
My Bambu A1 Mini - My First Six Hours of 3D Printing - Patshead.com Blog
Bambu Lab A1 3D Printer - Bambu Lab US Store A1 / in Stock
Bambu Lab Philippines - Puzzlebox 3D Solutions
Bambu A1 Mini AMS Lite Wall Mount by Shoe
A1 joins my other printers (X1C, Prusa Mini/MK3) : r/BambuLab
Bambu Lab Spool Holder - A1 mini
Bambu Lab A1 mini 3D Printer
Bambu Lab A1 Mini Combo 3D Printer Review: Color Printing at a Fantastic Price - CNET
3D Printer Hot End For Bambu Lab 3D printer Accessories A1 Mini hotend 1.75 filament 0.2/0.4MM/0.6/0.8MM Hardened steel Kit - AliExpress