Skip to content
  • Facebook
  • Instagram
  • YouTube
  • TikTok
  • Chassis/Batteries
    • B2 Chassis & Motor
    • B1 Chassis & Motor
    • B2 72V Battery
    • B1 72V Battery
  • Parts
  • About Us
  • Resources
  • FAQ
  • Contact
Login
  • Facebook
  • Instagram
  • YouTube
  • TikTok
Search
Bomb Moto LLC
  • Chassis/BatteriesChassis/Batteries
    • B2 Chassis & Motor

    • B1 Chassis & Motor

    • B2 72V Battery

    • B1 72V Battery

  • PartsParts
  • About UsAbout Us
  • ResourcesResources
  • FAQFAQ
  • ContactContact
Search Login Cart 0
Cart

Your cart is currently empty.

Not sure where to start?
Try these collections:

  • Continue shopping
    Order special instructions
    Taxes included and shipping calculated at checkout.
    Subtotal
    $0.00 USD
    View cart
    Recently viewed
    Search

    We use cookies

    This site uses cookies for better user experience and analytics.

    Home Search Shop 0 Cart Account
    Need help?

    If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.

    Shipping Information

    Use this text to answer questions in as much detail as possible for your customers.

    Customer Support

    Use this text to answer questions in as much detail as possible for your customers.

    FAQ’s

    Use this text to answer questions in as much detail as possible for your customers.

    Contact Us

    Use this text to answer questions in as much detail as possible for your customers.

    B2 Motor - Special QS120
    B2 Motor - Special QS120
    B2 Motor - Special QS120
    B2 Motor - Special QS120
    B2 Motor - Special QS120
    B2 Motor - Special QS120
    B2 Motor - Special QS120

    B2 Motor - Special QS120

    $499.00

    Beast of a motor. Special 4900rpm rated QS 120 v3

    Required 14t front sprocket sold separately.

     

    QS120 V3 BLDC inner rotor motor, 60mm magnets, 5 poles

    Rating: 4,900rpm (higher w/ flux)

    Rated: 2,000w, 80a, 72v, 120NM torque

    Peak Power: 11kw

    Top Speed: 50mph+ (depending on controller/tune)

    Recommended Tune: 125a (150a peak for max 20 seconds)

    Gear Ratio: 1:2.35

    Sprocket: 14-tooth

    Waterpoof Rating: IP66

    Thermic Probe: KTY82/122 included

    Working Temperature: 70-120 degrees Celsius (150C peak)

    Hall Sensor: Single hall set with waterproof connector

    Cooling: Air

    Max Efficiency: <93%

    Battery Line: 150a peak (recommended)

    Gear reduction: Yes

    Motor mount bolts available upon request with purchase

    Out of stock
     
     
    This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.

    Pairs well with

    Quick links
    • About Us
    • FAQ
    • Resources
    • Warranty
    • Contact Us

    Stay informed - subscribe to our e-letter!

    • Facebook
    • Instagram
    • YouTube
    • TikTok
    © 2025 Bomb Moto LLC. Powered by Shopify
      • American Express
      • Apple Pay
      • Discover
      • Mastercard
      • PayPal
      • Shop Pay
      • Visa
      • Choosing a selection results in a full page refresh.
      • Opens in a new window.