QS Motor QS138 3000W 70H V1 Mid Drive Motor Electric Motor Spline Shaft with 428 14T Sprocket

QS138 3000W 70H V1 Mid Drive Motor - Professional Electric Vehicle Power Solution

🔧 DETAILED SPECIFICATIONS

⚡ PERFORMANCE HIGHLIGHTS

• Ultra-High Power Output: 10,000W peak power with 3,000W continuous rating for exceptional performance
• Advanced PMSM Technology: Permanent Magnet Synchronous Motor with inner rotor design for superior efficiency
• Extreme Torque: 45-55 N.m maximum torque for incredible acceleration and hill-climbing capability
• High-Speed Performance: 3,800 RPM base speed, expandable to 6,000 RPM with flux weakening
• Professional Grade Efficiency: Up to 94% energy conversion efficiency

🔧 TECHNICAL FEATURES

• Spline Shaft Design: Precision-engineered spline shaft ensures zero power loss and secure connection
• 428 Chain Compatible: Includes 14T sprocket for standard 428 chain systems
• Temperature Management: KTY83/122 thermal probe with wide operating range (-70°C to 120°C)
• Waterproof Construction: IP67 rating for all-weather reliability
• Professional Wiring: 16mm² cross-section phase wires with waterproof Hall sensor connectors

🚴 APPLICATIONS

• High-Performance E-Bikes: Mountain bikes, road bikes, and custom electric bicycles
• Electric Motorcycles: Light electric motorcycles and scooters
• Go-Karts & Racing: Electric go-karts and recreational vehicles
• Commercial Vehicles: Electric tricycles, cargo bikes, and delivery vehicles
• Custom Projects: DIY electric vehicle conversions and prototypes

📦 PACKAGE INCLUDES

• 1x QS138 3000W 70H V1 Mid Drive Motor
• 1x 14T Sprocket (428 chain compatible)
• Installation hardware and mounting bolts
• Waterproof connectors for Hall sensors
• Technical documentation and wiring diagrams

✅ WHY CHOOSE QS MOTOR?

QS Motor is a leading manufacturer in the electric vehicle motor industry with over 15 years of experience. Each motor undergoes rigorous quality testing and comes with comprehensive technical support. This QS138 model represents the pinnacle of mid-drive motor technology, offering professional-grade performance for demanding applications.

NOTE:

1.Orders do not include customs duties, which are borne by the buyer.

2.For some special countries with strict customs for import, so pls. confirm it firstly to us that you have ability to do customs clearance, otherwise we will not take on heavy responsibilities for this issue, return money and goods are not support.

(special countries list contact seller)

P.S. If you have any confused about the shipping cost, please feel free to contact with us.

Also could place order but don't pay first, then we could adjust the price.

Transform your electric vehicle project with proven reliability and exceptional power!

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