STEEL TOOTHED GEAR RACK MODULE 1.25. Gear reduction kit is optional so it is not included in the sale with Gear racks. PITCH: MODULE 1.25. This 5:1 gear reduction kit compatible with Nema 34 motors only which includes big pulley pre-fitted on the gear box moving 23 Tooth Module 1.25 gear compatible with 1.25 module only gear racks.
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