Cyclo transmissions ltd is engaged in manufacturing a wide range of power transmission products. As part of these products, the company offers shaft mounted drives. These are equipped with two stage helical reduction stages at output and input reduction with standard planetary. The simple planetary is equipped with a sun gear, planet and ring gear. The planets are coupled with the planet carrier, which moves at constant centers about the planet carrier. The rolling contact of the planet gears with the ring gear offers perfect reduction ratio. The individual stages are connected in sequence in order to get multistage gearboxes.