Why pay the cost for a heavy-duty gearbox for a light-duty application when our highly customizable economy line can give you what you need at the price that meets your target. The Economy Planetary Gearbox with built for purpose engineering ensures that you don’t overpay for features that are not required. Frame sizes are available from 22mm, 30mm, 32mm, 36mm, 42mm, 52mm, 60mm, 80mm and 90mm in various of ratio combinations. Other frame sizes and dimensions can be customized according to the actual requirement.