---
title: "CubeMars RI60 KV120 specs"
description: "Frameless + Driver actuator from CubeMars (T-Motor) (China). Peak torque 1.6 Nm, rated 0.6 Nm, weight 156 g, torque density 10.5 Nm/kg, price $98.90."
canonical: https://actuatorlist.com/actuators/cubemars-ri60-kv120
last-updated: 2026-11-01T14:05:43.000Z
---
# RI60 KV120 by CubeMars (T-Motor)

> Frameless + Driver actuator from CubeMars (T-Motor) (China). Peak torque 1.6 Nm, rated 0.6 Nm, weight 156 g, torque density 10.5 Nm/kg, price $98.90.

## Specifications

| Spec | Value |
| --- | --- |
| Category | Frameless + Driver |
| Peak torque | 1.6 Nm |
| Rated torque | 0.6 Nm |
| Max speed | 5760 rpm |
| Gear ratio | 1:1 |
| Weight | 156 g |
| Torque density | 10.5 Nm/kg |
| Price | $98.90 |
| Price per Nm | $60.7 |
| Backdrivable | yes |
| Backlash | n/a |
| Voltage | 24-48 V |
| Peak current | 16.8 A |
| Communication | n/a |
| Control modes | n/a |
| Encoder | Optional Hall-sensor version; bare frameless kit (add own encoder) |
| Integrated driver | no |
| Availability | in production |
| Data status | Catalog headline specs spot-checked: confirm revision |

## Size a joint

- [Motor torque calculator](/tools/motor-torque-calculator?solve=power&t=0.57&n=5760): **344 W** of shaft power at its rated 0.57 N·m and 5760 rpm.
- [Robot arm torque calculator](/tools/robot-arm-torque-calculator?L=0.4,0.35,0.12&m=1.2,0.8,0.3&a=0.1559,0.5,0&p=2): **30.6 N·m** at the shoulder with its 156 g at the elbow of a 2 kg-payload arm.

## Use cases

- robot arm
- exoskeleton
- quadruped leg
- cobot

## Notes

Motor. Frameless inrunner torque motor kit, dia 60 x 23 mm. Peak torque 1.63 Nm at 16.8A peak; rated torque 0.57 Nm; rated current 5.6A; 85 W. Phase resistance 900 mOhm, inductance 877.5 uH, 14 pole pairs. max\_speed is no-load computed from KV120 x 48V (not a published datasheet figure; rated speed at 48V is ~3190 rpm). Kt not published. Needs external FOC driver. Price $98.90 is the CubeMars store price without hall sensor ($113.90 with), checked Oct 2026.

## Sources

- [https://www.cubemars.com/product/ri60-kv120-frameless-inrunner-torque-motor.html](https://www.cubemars.com/product/ri60-kv120-frameless-inrunner-torque-motor.html)
- [https://www.directindustry.com/prod/cubemars/product-217143-2270624.html](https://www.directindustry.com/prod/cubemars/product-217143-2270624.html)
- [https://www.robotshop.com/products/cubemars-ri60-kv120-ri-series-frameless-inrunner-torque-motor-w-hall-sensor](https://www.robotshop.com/products/cubemars-ri60-kv120-ri-series-frameless-inrunner-torque-motor-w-hall-sensor)
- [https://store.cubemars.com/products/ri60](https://store.cubemars.com/products/ri60)

## Similar Frameless + Driver actuators

- [TQ-RoboDrive ILM85x26 (TQ-Systems (RoboDrive))](https://actuatorlist.com/actuators/tq-robodrive-ilm85x26): 14 Nm/kg
- [EC frameless 90 flat (260 W) (maxon)](https://actuatorlist.com/actuators/maxon-ec-frameless-90-flat-260w): 12 Nm/kg
- [RI80 V2.0 KV75 (CubeMars (T-Motor))](https://actuatorlist.com/actuators/cubemars-ri80-v2-kv75): 10 Nm/kg
- [R60 KV115 (CubeMars (T-Motor))](https://actuatorlist.com/actuators/cubemars-r60-kv115): 9.3 Nm/kg
- [iPower GM8112-80T (iPower Motor (iFlight))](https://actuatorlist.com/actuators/ipower-gm8112-80t): 2.1 Nm/kg

## Catalog comparisons

Catalog specifications and source caveats, not compatibility recommendations.

- [R60 KV115 vs RI60 KV120](/comparisons/cubemars-r60-kv115-vs-cubemars-ri60-kv120)
- [RI60 KV120 vs RI80 V2.0 KV75](/comparisons/cubemars-ri60-kv120-vs-cubemars-ri80-v2-kv75)
- [RI60 KV120 vs iPower GM8112-80T](/comparisons/cubemars-ri60-kv120-vs-ipower-gm8112-80t)

[Browse actuator comparisons](/compare).

## Machine-readable

- JSON: https://actuatorlist.com/api/v1/actuators/cubemars-ri60-kv120
- Catalog index for agents: https://actuatorlist.com/llms.txt