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QS Motor

QSMOTOR QS138-C 3000W 70H V3 Mid Drive Motor QS Motor 72V 100KPH Electric 1:2.35 Gearbox Brushless Engine for Motorcycle Dirt Bike

QSMOTOR QS138-C 3000W 70H V3 Mid Drive Motor QS Motor 72V 100KPH Electric 1:2.35 Gearbox Brushless Engine for Motorcycle Dirt Bike

Regular price $328.00 USD
Regular price $598.00 USD Sale price $328.00 USD
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QS138 3000W 70H V3 Mid Drive Motor - High-Speed Electric Motorcycle Engine with 1:2.35 Gearbox

🔧 DETAILED SPECIFICATIONS

Motor Type: PMSM Brushless Mid Drive Motor
Brand: QS Motor, QSMOTOR
Model: QS138 70H V3
Rated Power: 3000W
Peak Power: 10000W+
Rated Voltage: 72V
Max Speed: 100 KPH (62 MPH)
Gearbox Ratio: 1:2.35 Reduction
Motor Design: Brushless with integrated gearbox
Weight: 11.4 kg
Cooling Method: Air cooling with heat dissipation fins
Waterproof Grade: IP67
Application: Electric Motorcycles & Dirt Bikes

🏍️ HIGH-SPEED PERFORMANCE FEATURES

  • 100 KPH Top Speed: Achieve highway speeds with 72V system and optimized gearing
  • 1:2.35 Gearbox: Precision-engineered reduction gearbox for optimal torque multiplication
  • 10KW+ Peak Power: Extreme power output for rapid acceleration and hill climbing
  • Brushless Technology: Maintenance-free operation with superior efficiency
  • V3 Generation: Latest version with improved performance and reliability

🚀 MOTORCYCLE & DIRT BIKE APPLICATIONS

  • High-Speed Electric Motorcycles: Perfect for street bikes requiring highway speeds
  • Performance Dirt Bikes: Ideal for off-road racing and extreme terrain
  • Sport Bike Conversions: Transform conventional motorcycles to electric
  • Racing Applications: Professional-grade motor for electric motorcycle racing
  • Custom Builds: Excellent for high-performance custom electric vehicles

⚙️ ADVANCED TECHNICAL FEATURES

  • Integrated Gearbox: Built-in 1:2.35 reduction for optimal power delivery
  • Brushless Design: No carbon brushes means zero maintenance and longer life
  • High-Speed Capability: Engineered for sustained high-speed operation
  • Precision Manufacturing: CNC-machined components for perfect balance
  • Advanced Cooling: Optimized heat dissipation for continuous high power
  • Waterproof Construction: IP67 rating for all-weather riding

🔧 INSTALLATION & COMPATIBILITY

  • Mid Drive Configuration: Mounts at the vehicle's center for optimal weight distribution
  • Chain Drive Output: Standard motorcycle chain compatibility
  • Controller Ready: Compatible with high-power 72V motor controllers
  • Professional Installation: Includes mounting hardware and technical documentation
  • Versatile Mounting: Adaptable to various motorcycle frame designs

📊 PERFORMANCE COMPARISON

  • Speed Advantage: 100 KPH capability vs. standard 50-70 KPH motors
  • Power Density: 10KW+ peak in compact 12.65kg package
  • Efficiency Gain: Brushless design offers 15-20% better efficiency
  • Reliability: V3 generation with proven track record

📦 COMPLETE PACKAGE INCLUDES

  • 1x QS138 3000W 70H V3 Mid Drive Motor with Gearbox
  • Mounting brackets and installation hardware
  • Waterproof connectors and wiring harness
  • Technical specifications and installation manual
  • 12-month manufacturer warranty
  • Technical support and consultation
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