KO Propo RSx-one10

Search Amazon Search eBay

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Technical Specifications

Last Updated: 2026-10-24

Identity
Brand
Product Number	30120
Category	Hobby
Discontinued	Yes
Performance
Torque	7.4V 166.65 oz-in 6.0V 138.87 oz-in Average
Speed	7.4V 0.09 sec/60° 6.0V 0.10 sec/60° Average
Physical
Weight	1.80 ozAverage
Dimensions	L 1.594 in W 1.004 in H 0.827 in
Case Material	Aluminum
Drivetrain
Motor Type	Coreless
Gears	Aluminum
Gear Spline/Teeth	23 T estimate
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Programmable	Yes
Electrical & Environment
Operating Voltage	6–7.4 V
Power Source	LiPo / LiFe / Ni-MH
Origin
Country of Origin	Japan

Submit Missing Data Report an Error

Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.

Compatible Hardware

Amazon eBay

*Spec is estimated from brand data.

Class Comparison

Torque	Average Stronger than 41% of 186 Digital Low Profile servos at 6.0V
Speed	Average Faster than 48% of 183 Digital Low Profile servos at 6.0V
Weight	Average Lighter than 55% of 304 Digital Low Profile servos

Performance Analysis

Shaft Power	2.57–3.42 W
Power Density	2.587 W/in³ More power-dense than 36% of 273 Digital Low Profile servos
Torque Density	2.7229 oz-in/g Stronger than 41% of 185 Digital Low Profile servos
Torque-to-Volume Ratio	104.93 oz-in/in³ Denser torque than 48% of 186 Digital Low Profile servos
Speed-to-Weight	0.19608 (1/sec·g) Faster than 50% of 182 Digital Low Profile servos
Speed-Torque Trade-off	13.89 Better balanced than 46% of 183 Digital Low Profile servos
Torque Gain per Volt	14.29%/V More voltage-responsive (torque) than 38% of 164 Digital Low Profile servos
Speed Gain per Volt	7.94%/V More voltage-responsive (speed) than 6% of 163 Digital Low Profile servos
Voltage Range Width	1.4 V Wider voltage range than 23% of 276 Digital Low Profile servos