72v Mid Drive Motor,QS 138 4000W 90H PMSM Motor,High Torque Electric Motorcycle Dirt Bike Mid Drive Motor with Internal Gearbox

★★★★★ 4.1 64 reviews

$699.98
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$699.98
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 210364417 Release Date 2026/04/02 List Price $279.99 Model Number 210364417
Category

72v Mid Drive Motor,QS 138 4000W 90H PMSM Motor,High Torque Electric Motorcycle Dirt Bike Mid Drive Motor with Internal Gearbox

  • 【High-Powered Performance】Experience electrifying acceleration and speed with a robust 4000W Permanent Magnet Synchronous Motor (PMSM) that delivers powerful, consistent performance for electric motorcycles and dirt bikes.
  • 【Massive Torque Output】The integrated internal gearbox and 90H magnet height amplify the torque, allowing you to easily conquer steep hills, rugged off-road trails, and challenging terrains with superior climbing ability.
  • 【Precision and Stability】Designed as a mid-drive system, this motor improves your vehicle's handling and stability by centralizing the weight, giving you more control during high-speed riding and off-road maneuvers.
  • 【Engineered for Efficiency】The advanced PMSM design offers high efficiency to maximize your ride time, while the air-cooling system ensures the motor maintains optimal operating temperatures during intense use.
  • 【Durable and Versatile】Built to withstand the demands of serious riders, this motor is a powerful upgrade for DIY electric vehicle projects, offering broad compatibility with various electric motorcycle and e-dirt bike frames.
Model QS138 4000W 90H
Voltage 72 Volts
Brand Name GregYoung
Horsepower 4000 Watts
Model Name QS138 4000W 90H
Item Weight 33 Pounds
Manufacturer QS
Included Components Mid Drive Motor

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4.1 out of 5
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64 ratings | 26 reviews
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