
CubeMars RO100 KV55 Frameless Outrunner Torque Motor
CubeMars · MPN RO100 KV55 (Standard with Hall / Lite) · Maglev ID mo-cubemars-ro100-kv55
CN Maker in China, factory not confirmed unknown VERIFIED
Large 21-pole-pair frameless outrunner for quasi-direct-drive leg joints; Standard 113.5 x 36.2 mm / 710 g, Lite 108.3 x 28 mm / 525 g.
Specifications
| Peak torque | 12 Nm |
|---|---|
| Continuous torque | 4 Nm rated |
| Outer diameter | 113.5 mm |
| Axial length | 36.2 mm |
| Voltage | 48 V |
| Mass | 710 g |
| KV | 55 rpm/V |
| Rated current | 20 A |
| Peak current | 62 A |
Who makes it
MakerCubeMars (Sanrui Intelligent / T-Motor group)
Based inChina
RoleBrand owner
CubeMars and T-MOTOR are one manufacturer group (Sanrui Intelligent, Nanchang, Jiangxi), in Maglev's actuator benchmark pool as CN002; contact on file is [email protected].
Landed cost in the US
CN
41.5%
TW
10%
VN
16.5%
IN
14%
JP
12.5%
KR
12.5%
DE
10%
MX
14%
US
0%
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
Loading duty data…
Compliance
| HTS classification | 8501.31.40.00 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
Works with
Sources
- https://www.cubemars.com/product/ro60-kv115-standard-with-hall-frameless-torque-motor.htmlseries comparison table: rated/peak torque, current, mass, diameter x length
- https://store.cubemars.com/products/ro100.jsUSD price and variant availability (Shopify product JSON)
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.

