The RDH-M, RDH-S, and RDH-XS Series are all integrated with precision transmission systems. The series are capable of comprehensive levels of load capacity, and feature stabilized drive bearings. They are all designed and manufactured without play and high levels of torsional stability. Their only differences lie in their reduction ratios.
The RDH-M and RDH-S both reduction ratios of 1:51 or 1:101, while the RDH-XS showcases 1:50 or 1:100 ratio rates.