Ender3/CR10 Proximity Extruder Upgrade Retrofit Mounting Plate Kit with/without Motor for 3D Printer Part

PLEASE choose the type you wanted Type A Separate mounting plateB Mounting plate pulley kitC Extruder Pulley Mounting Kit without motor D Extruder pulley mounting kit with motor Use 3D printer upgrade proximity extruderFeatures 1 Upgraded proximity extruder extrusion consumables and more accurate back pumping 2 Increase synchronous wheel to reduce wear and improve stability 3 Compatible with more consumables such as flexible consumables TPU more convenient to change materials4 All metal structure easy to change increase the heat dissipation hole5 Can switch between near and remote extrusion at any time easy to disassemble does not affect the original printer function Package Included Choose the type you wanted