Smooth Idler Pulley
Used in Prusa i3 Mk3s Bear Upgrade. This idler pulley has bore of 3mm.
Compatible with standard GT2 timing belt which is 6mm wide.
Buy this as spare part for your prusa i3 mk3s bear upgrade.
Compatible with - Prusa i3 Mk3s Bear Upgrade, Original Prusa i3 Mk3s/Mk3s+, Mk2, 2s and 2.5