I sell all parts at gr5.org/store/: 40T GT2 pulley 20T GT2 pulley 55T GT2 belt 2x MF695 flanged bearings 5x40mm cylindrical pin 7x m3 nuts m3 screws: 3x 32mm 1x 18mm 2x 15mm 4x 12mm (very important exact length to hold motor)