Online store: AliExpress
3D принтер части BMG экструдер клон двойной привод экструдер обновление Bowden экструдер 1,75 мм нить для 3d принтера CR10
9.93 USD
BMG Chinese clon Extruder. I bought this for my Anet ET4 3D printer, installation is pretty straightforward and the benefits comes as shows on advertising. Much better extrusion torque, the 1.75mm filament now goes without problems and without jumping inside the extruder like it does with the oem one.