Dual Gear Original Prusa MK3

The DualDrive gears for 1.75 mm filament provide high extruder precissión and high quality layer. The dual gear kit are CNC mahined in hardened steel. The surface has a protective treatment. Fully compatible with MK3 extruders of Bondtech extruders.

The gears kit contain:

• Primary drivegear fits on a 5 mm shaft with a flat side on standard Nema17 motors.
• Secondary drivegear with integrated high quality bearings and a hardenede steel shaft (diameter 3mm lenght 20 mm)

We recommend a lithium based grease to use on the gear section and in side the needle bearings for low friction and to avoid wear.

#define DEFAULT_AXIS_STEPS_PER_UNIT   {80,80,3200/8,280}  // 1/32 resolution like DRV8825 drivers