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Shenzhen SAITE Motor Co., Ltd. is a professional RC motor manufacturer. With abundant production line of Inrunner & Outrunner brushless motors. Which can be apply to Electric Skateboard, Robotics, RC cars, boats, airplanes and helicopters. All our products are select the Japanese NMB pure imported bearings to reduce motor vibration, shell using high-precision CNC machining and professional balancing test, making concentricity, balance is greatly enhanced.
We can customize our motors according to your own specifications and requirements, such as the color, appearance, as well as the KV rating and structure design, and laser engraved logos are available.
More models are available , please contact us for more details.



| Model | Rotor | Max Amps | Lipo (Cell) | KV (RPM/ Volt) | Resist-ance(Ω) | No load Current/7.4V | Length of extend Shaft/mm | Shaft/mm | Weight/g |
| ST540SD-3.5T | Φ12.5mm | 117 A | 2S | 9150 | 0.0034 | 9.5A | 15mm | Φ3.175 | 165g |
| ST540SD-4.5T | Φ12.5mm | 104A | 2S | 7320 | 0.0045 | 7.2A | 15mm | Φ3.175 | 165g |
| ST540SD-5.5T | Φ12.5mm | 100A | 2S | 6060 | 0.0072 | 6.0A | 15mm | Φ3.175 | 165g |
| ST540SD-6.5T | Φ12.5mm | 94A | 2S | 5200 | 0.0087 | 5.7A | 15mm | Φ3.175 | 165g |
| ST540SD-8.5T | Φ12.5mm | 86A | 2S | 4000 | 0.015 | 3.5A | 15mm | Φ3.175 | 165g |
| ST540SD-9.5T | Φ12.5mm | 77A | 2-3S | 3600 | 0.0181 | 3.0A | 15mm | Φ3.175 | 170g |
| ST540SD-10.5T | Φ12.5mm | 63A | 2-3S | 3260 | 0.0208 | 2.2A | 15mm | Φ3.175 | 170g |
| ST540SD-11.5T | Φ12.5mm | 56A | 2-3S | 3000 | 0.0265 | 1.8A | 15mm | Φ3.175 | 170g |
| ST540SD-13.5T | Φ12.5mm | 49A | 2-3S | 2600 | 0.0334 | 1.6A | 15mm | Φ3.175 | 170g |
| ST540SD-17.5T | Φ12.5mm | 34A | 2-3S | 1880 | 0.0514 | 1.1A | 15mm | Φ3.175 | 170g |
| ST540SD-21.5T | Φ12.5mm | 28A | 2-3S | 1560 | 0.088 | 0.9A | 15mm | Φ3.175 | 170g |



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