Product Description Product Description: 1. Flexspline is a hollow flanging standard cylinder structure. 2. The structure of the whole item is compact. The input shaft is directly matched with the inner hole of the wave generator. They are connected by a flat key slot. 3. The connecting way is circular spline fixed and flexible output, … Continue reading China supplier New Listing Micro Harmonic Speed Reducer Motor Harmonic Drive Gearboxes with Great quality