Custom Harmonic Gearbox Dev-Kits
Built for the next generation of robotic joints, our custom harmonic gearboxes are compact, low-backlash, and tailored to humanoid locomotion and manipulation. Whether you're prototyping a bipedal platform or integrating advanced arms, we deliver hardware that performs under load.
Precision torque transmission. For humanoid-grade articulation.
Key Features:
Low-backlash harmonic transmission (custom ratio)
Compact and lightweight
Torque class options: 25Nm, 50Nm, 100Nm
Compatible with SI Robotics actuators
Custom flange and mounting options available
Request a spec sheet
We shall come back to you within 2 business days
Ideal for:
Humanoid knees, elbows, and wrists
Robotic arms and dexterous end-effectors
Exoskeletons and wearable robotics
Pricing: €350–€1,200 per unit depending on spec & batch size
Send your actuator dimensions → we'll match it
Why SI Robotics?
Because you need engineers, not middlemen.
We don’t just assemble. We build robots ourselves.
And now, we’ll help build yours.
Explore Collaboration
Interested in collaborating or exploring how our services can add value to your industry?
Get in touch: actuators@sirobotics.eu
SI Robotics LTD
63 - 66 Hatton Garden, Suite 23, EC1N 8LE
London, England
Company number 11958971
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SI Robotics Sp. z o.o.
ul. Kolejowa 15/17
01-217 Warsaw, Poland
VAT no: PL9512619807
KRS: 0001169097
contact@sirobotics.eu
Built for the industrial power of the West.