Overview
The HOBBYWING XeRun Justock HandOut Spec motor is a 1/10th-scale sensored brushless (4-pole) RC racing motor offered in three KV/turn options: 13.5T (3200kv), 17.5T (2600kv), and 21.5T (2100KV). It is specified for 1/10th STOCK class racing, including 1/10 on-road and off-road vehicles.
Key Features
- Ultra-low cogging torque, low linearity: High-precision four-stage rotor with independent HALL detection magnetic ring and a high precision hall plate positioning structure for accurate sensor output position signal; designed to keep cogging effect extremely low for improved control feel.
- Ultra-high efficiency, low heat generation: Stated as 10% more efficient compared with the Justock G2.1 motor, helping reduce motor temperature.
- Dual sensor ports: Dual output sensor ports design meets various wiring needs.
- High quality materials: Selected materials include stator, high temperature resistant wire (200°C), high temperature resistant rotor, and high-precision grade bearings.
- Asymmetrical bearings: Front bearing D11*D5*T5 and rear bearing D8*D3*T4 for reduced resistance and smoother operation.
- Built to fair race: Manufacturing process targets consistent power output by controlling mechanical timing and internal resistance of the coil.
For product support and after-sales questions, contact support@rcdrone.top or visit https://rcdrone.top/.
Specifications
XeRun JuStock Handout Spec Motor Specifications
| Parameter | JuStock Handout Spec 13.5T | JuStock Handout Spec 17.5T | JuStock Handout Spec 21.5T |
|---|---|---|---|
| Product Number | 30408018 | 30408017 | 30408016 |
| Scale | 1/10th | 1/10th | 1/10th |
| Brushed/Brushless | BL | BL | BL |
| Sensored/Sensorless | SD | SD | SD |
| Pole Count | 4 | 4 | 4 |
| KV Rating | 3200kv | 2600kv | 2100KV |
| LiPo Cells | 2-3S | 2-3S | 2-3S |
| No-load Current (A) | 2.7A | 2.2A | 1.7A |
| O.D. (mm) | 36 | 36 | 36 |
| Length (mm) | 48.5 | 48.5 | 48.5 |
| Shaft Diameter (mm) | 3.175 | 3.175 | 3.175 |
| Weight (g) | 147g | 148.5g | 148g |
| Front Bearing | D11*D5*T5 | D11*D5*T5 | D11*D5*T5 |
| Rear Bearing | D8*D3*T4 | D8*D3*T4 | D8*D3*T4 |
| Timing | Fixed | Fixed | Fixed |
| Applications | 1/10th STOCK Class Racing | 1/10th STOCK Class Racing | 1/10th STOCK Class Racing |
Applications
- 1/10th STOCK class racing
- 1/10 on-road and off-road vehicles (STOCK categories)
Combo Specifications
Combo Spec
| HSP Combo type | ESC | Justock Handout Motor |
|---|---|---|
| HSP 13.5 Combo | Handout ESC | 13.5T / 3200kv |
| HSP 17.5 Combo | Handout ESC | 17.5T / 2600kv |
| HSP 121.5 Combo | Handout ESC | 21.5T / 2100kv |
ESC & Motor Spec
| Name | ESC | Justock Handout Motor (13.5 / 17.5 / 21.5T) |
|---|---|---|
| P/N | 30112004 | 30408018 / 30408017 / 30408016 |
| Cont./Peak Current | 60A/380A | 3200kv / 2600kv / 2100kv |
| Input Voltage | 2S LiPo | 2-3S Lipo |
| Size | 40.9x33.9x32.1mm | 36dia. / 48.5mm (L) / Shaft: 3.175mm |
| Weight | 75.4g(w/Wires) | 147g / 148g / 148.5g |
Manuals
- Handout program brochure: Handout_Leafiet_EN.pdf
- Manual download: Manual_HW-SMA527DUL-V2.pdf
Details

The XeRun Justock spec handout notes ultra-low cogging torque and an independent Hall detection structure for accurate position signals.

The Hobbywing XeRun Justock Handout motor is promoted as ultra-high efficiency with low heat generation, with a 10% efficiency increase claim versus the Justock G2.1.

The XeRun Justock motor uses dual sensor ports and clearly labeled A/B/C terminals to keep wiring tidy and flexible.

The XeRun Justock Handout Spec motor is offered in 13.5T, 17.5T, and 21.5T options for different 1/10 on-road and off-road setups.

The XeRun Justock spec motor is described as using a stator, 200°C high-temperature wire, an explosion-proof rotor, and high-precision bearings.

HOBBYWING XeRun Justock HandOut Motor is positioned as a fair-racing option for competitive RC touring car setups.

The HOBBYWING XeRun Justock Handout Spec motor is labeled 3200KV (equivalent to 13.5T) with a 147g weight and 48.5mm body length.

The HOBBYWING XeRun Justock 13.5T motor pairs neatly with the XR10 Justock ESC for a clean, race-ready RC touring car setup.
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