Sumitomo Cyclo® speed reducers and gearmotors are the premier in-line drives. The revolutionary Cyclo® design provides quiet, efficient and reliable performance exceeding that of involute tooth gear designs.

The key to Cyclo®’s matchless performance and reliability is that 67% of the reduction components are in contact at all times, compared to geared designs that use only limited tooth contact. Unlike geared designs, the Cyclo®’s reduction components operate in compression rather than shear, which results in exceptionally rugged and shock resistant performance. It coupled with innovative product options and accessories offer the most extensive range of application solutions available.