3DMAN Dual Gear Extruder Drive Feeder Upgrade for Ender 3 V2, Ender 3 Series, Ender 5 Pro, Ender 5 Plus, CR10 Series, Vyper Series and Other 3D

The 3Dman Dual Gear Extruder Dual Extrusion Upgrade Kit is designed to work with Creality Ender3, CR10, CR-10Pro, CR10S, and Tornado 3D printers. It features an upgraded aluminum drive feed for 1.75mm filament and promises improved printing performance. However, customer feedback for this product is mixed. While some reviewers mentioned that the item description claimed it would not grind away at the extruder due to the installation of a washer, they experienced issues with grind marks and roller bearings seizing after just a few months of use. They expressed disappointment and advised potential buyers to look at their photos before purchasing. On the other hand, some customers found the product to be an upgrade worth Considering. They appreciated the inclusion of a shim under the gear to protect against damage to the aluminum and an extra pipe fitting on the tensioner arm for attaching a Bowden tube. They found these features to be simple yet effective. One of the common complaints about this extruder is the lack of instructions provided. Customers mentioned that they had to spend time figuring out how the parts fit together and suggested that pictures or videos would have been helpful. Another issue mentioned was the stiffness of the spring, which required finding a workaround to keep it in place. Overall, the 3Dman Dual Gear Extruder Dual Extrusion Upgrade Kit receives mixed reviews. While it offers some improvements in printing performance, there are concerns about durability and installation difficulties. Customers are advised to Consider other options available on the market.