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X15-755X Coreless Mini Digital Metal Gear Tail Servo 10.2Kgf.cm 0.04sec for RC Helicopters
BR0023.0103
$89.99
KST X15-755X Mini Tail Digital Servo
The KST X15-755X is a high-performance mini tail servo designed for helicopters with 325mm–425mm rotor blades. It delivers an ultra-fast 0.04s response and powerful 10.2Kgf.cm torque for precise tail control. The servo requires a gyro compatible with 760μs tail servos for proper operation.

Features
- Support High Voltage 8.4V
- Extreme Torque and Excellent Speed
- Dual Ball Bearings
- Coreless DC Motor
- Hardened Steel Gears
- CNC Aluminium Case
Specification
| Parameter | Value |
| Item | X15-755X Servo |
| Rated Voltage | DC7.4V |
| Voltage Range | DC6.0V–8.4V |
| Torque | 7.2Kgf.cm@6.0V / 9.0Kgf.cm@7.4V / 10.2Kgf.cm@8.4V |
| Speed | 0.06sec/60°@6.0V / 0.05sec/60°@7.4V / 0.04sec/60°@8.4V |
| Working Frequency | 760μs/560Hz |
| Operating Temperature | -10℃ ~ +65℃ |
| Case Material | Aluminum Alloy |
| Motor Type | Coreless DC Motor |
| Gear Set Material | Hardened Steel |
| Position Sensor | Potentiometer |
| Case Dimensions | 35.5mm × 15mm × 32.5mm ±0.2mm |
| Weight | 40g ±10% |
Package Including
- 1 * X15-755X Servo
- 2 * Plastic Servo Horn
- 1 * Servo Horn Screw
- 4 * Mounting Screw
- 4 * Rubber Grommet
- 4 * Eyelet
