Don't attempt unless you are very comfortable with modding your printer and good at troubleshooting. Printer needs to be recalibrated etc. I have used this setup now for a year and i am happy with it. PLA, PETG filaments print faster and soft filaments print without any issues of getting jammed etc. Carbon fiber filaments and other difficult stuff prints appsolutely without any issues, unless MMU decides to strike or smth ..
parts used :
m3 x 5mm insert
2x https://www.bondtech.se/product/lgx-secondary-gear/ LGX Secondary Gear
2x https://www.bondtech.se/product/lgx-secondary-gear/ LGX Hardened Steel Drive Wheel
The author marked this model as their own original creation.