Nema 17 belted reduction gear
Bolts and nuts for pulleys are not presented in this list.
2x - 625zz bearing
2x - 1mm spacer for 5mm inner diameter
1x - 5mm diameter metal shaft, length=50mm
6x - M3 nut
2x - M3x12 hex bolt
4x - M3x8 hex bolt
1x - small GT2 pulley (16-20 teeth)
1x - big GT2 pulley (80 teeth max)
1x - belt GT2 (L=200 for 20T and 80T pulleys)
Some holes made without clearance for bolt and bearing to sit tighter. So, you need to adjust them.