The Quantum CSG Series from Harmonic Drive LLC is the highest torque capacity Harmonic Drive™ gearing component ever produced. It delivers 30% more torque than the CSF series while maintaining zero-backlash, 1 arc-min positional accuracy, and +/- 5 arc-sec repeatability.

The Quantum CSG Series size 17 gearing component has an outer diameter of 60mm and is just 32mm in length. It has a rated torque of 274 in-lbs and a maximum torque of 991 in-lbs. It is available in gear ratios 50, 80, 100 and 120:1.