Bondtech Drive Gear Set for Prusa 3D Printers

Comes as a set consisting of a primary drive gear, a secondary gear, bearings and shaft.

Includes: 
Bondtech gear with a grub screw (1 pcs)
Bondtech gear without a grub screw (1 pcs)
Bearings (2 pcs)
Shaft (1 pcs)

Fits:
Prusa MK2.5
Prusa MK2.5S
Prusa MK3
Prusa MK3S
Prusa MK3S+

A small dab of lithium-based grease is recommended to use on the gear section and inside the needle bearings for lower friction and to avoid wear. 

To replace the part, please consult the Prusa Assembly Manuals. Make sure to follow the manual for your printer model.