The CubeMars RI30 KV260 is a compact frameless torque motor aimed at the joint drives of next-generation robotic systems. In this official product video, CubeMars positions the RI30 KV260 as a drive solution for robot joints, humanoid robots, robotic arms and intelligent motion systems that need high torque density in a very small envelope.

What the Video Shows

The short product introduction highlights the motor’s core selling points: powerful performance in a compact structure, smooth and precise motion, and a frameless inrunner format that gives engineers full freedom over how they integrate the stator and rotor into their own joint designs.

Original Video

Source: CubeMars Official YouTube Channel
Video: CubeMars RI30 KV260 | High-Performance Frameless Torque Motor for Next-Generation Robotics

Product Featured: CubeMars RI30 KV260

According to the official product data, the RI30 KV260 is a 38 mm-class frameless inrunner with a KV rating of 260 rpm/V. Key features highlighted in the video include:

  • High torque density for powerful robotic motion
  • Low cogging torque for smooth, precise operation
  • Frameless inrunner design for flexible mechanical integration
  • Compact structure for space-critical joint assemblies

Product Details

SpecificationDetails
ManufacturerCubeMars
ProductRI30 KV260 Frameless Torque Motor
CategoryFrameless torque motor (inrunner)
Rated Voltage24 V
Rated Torque0.076 Nm
Peak Torque0.23 Nm
Rated Speed4110 rpm (no-load 6240 rpm)
Diameter38 mm
Length14 mm
Weight40 g
KV260 rpm/V
ApplicationsRobot joints, humanoid robots, robotic arms

Specifications sourced from the official CubeMars product data.

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Conclusion

For engineers designing custom rotary joints where every millimeter and gram counts, the RI30 KV260 offers a compact frameless option with the torque density and smoothness that humanoid and arm joints demand. The official video and the full specifications on ToBMS together show whether it fits a given integration.