Gear Planetary 42mm

3:1 4:1 NEMA17 Planet Reducer 42mm Diameter Planetary Gearbox for 775 DC motor
US $21.30
Planetary reducer 42mm diameter for 775 DC motor use ratio 104:1
US $31.65
LRF42 8 42mm planetary gear reducer ratio 8:1 for 50w 100w 40mm AC servo motor
US $71.25