1.Perfect Replacement Kit: 2-in-1 repair set includes original style 4-in-1 AMS Lite filament hub, spring inner bracket, hall sensor board FPC cable and sealing ring, fully compatible with Creality A1 & A1 Mini multi-color 3D printer.2.Solve Common Printing Errors: Effectively fix filament not detected error, nozzle clog alarm, color switching failure and multi-color
3.printing abnormal issues caused by aging or damaged original sensor hub assembly.Stable & Reliable Performance: Upgraded hall sensing module with sensitive detection, smooth 4-way filament feeding, consistent spring tension avoids filament jam during long time printing.
4.Easy DIY Installation: Pre-assembled matching structure, no complicated modification required, directly replace the old broken hub sensor, save your maintenance time without sending printer for repair.
5.Complete All-In-One Package: Comes with every spare part you need for one-time full replacement, no extra accessories to buy, ideal daily repair spare parts for Creality A1 series 3D printing enthusiasts.