6000W -15000W Motorized Back Wheel for Stealth Bomber Ebike

6000W–15000W Motorized Rear Wheel for Stealth Bomber E-Bike Frames

Product Overview

The 6000W–15000W Motorized Rear Wheel is an extreme-performance direct-drive hub motor wheel engineered specifically for Stealth Bomber steel e-bike frames featuring wide 150mm or 175mm rear dropouts. Designed to handle massive continuous thermal loads on 72V battery systems, this heavy-duty motorized wheel delivers up to 185 N.m of torque and top speeds ranging from 45 mph to 69+ mph (70–110+ km/h). Available laced into heavy-duty 19" or 21" motorcycle rims and 26" x 4.0 fat rims for option, this is the ultimate rear wheel upgrade for custom dirt bike and high-power Bomber builds.

Technical Specifications

Specifications are based on the supplied product information. Confirm the exact wheel configuration, axle dimensions, and included accessories before purchasing.

Key Features & Performance Highlights

• Engineered for Stealth Bomber Swingarms: Built with standard 150mm rear axle dropout spacing to bolt directly into standard Bomber steel frames without modification.

• Extreme Torque & Hill Climbing: High-grade neodymium magnets and 180°C thermal-resistant copper windings deliver up to 185 N.m of torque for instant off-road acceleration and steep incline climbing. Please be noted that the torque number is estimated for your reference only because the torque can be changed when the motor work with different controller.

• Motorcycle-Grade Heavy Rims: Pre-laced into thick 19-inch or 21-inch motorcycle DOT-rated rims using 10G heavy-duty stainless steel spokes to handle extreme forces, jump impacts, and high speeds.

• High-Current Controller Options:

  • Sabvoton Programmable Controller (150A–200A): Features smooth flux-weakening acceleration and Bluetooth parameter tuning via app.

  • Fardriver Controller (72V150A–270A): High-efficiency controller option optimized for top-end motor speed and thermal management.

What’s Included in the Complete Wheel Assembly

• 1x 6000W–15000W Brushless Gearless Rear Hub Motor (Pre-laced into selected rim size)

• 1x Heavy-Duty Rear Axle Mounting Hardware (Nuts, Washers, and Axle Spacers)

• 1 x off-Road Motorcycle Tire/Tube or 26 x 4.0 tire/Tube 

• (Optional Add-ons:203mm Hydraulic Disc Brake Rotor, Sabvoton/Fardriver Controller, and SW900 / UKC1 / CSD-001 Display Units)

Frequently Asked Questions (FAQ)

Q: Will this 6000W–15000W rear motor wheel fit a standard bicycle frame?

A: No. This motorized wheel is designed for Stealth Bomber e-bike frames or heavy dirt bike frames featuring a wide 150mm or 170mm rear dropout width. Standard bicycle frames (which typically use 135mm rear dropouts) are not wide or strong enough for this axle size or torque output.

Q: What size battery and BMS do I need to run a 15000W Stealth Bomber motor?

A: A 15000W motor requires a high-discharge 72V Lithium-ion battery with a Battery Management System (BMS) rated for a minimum of 120A to 250A continuous discharge.

And we suggest 72V 40Ah battery for 6000W and 8000W configurations, and a 72V 60Ah–70Ah battery for 12000W and 15000W configurations. Battery discharge capability must also match the controller's current requirements. Please check 72V Lithium-Ion Battery Pack for Stealth Bomber E-Bikes.

Q: Which is better for high power: 19-inch motorcycle wheel or 26-inch bicycle wheel?

A: For power levels of 6000W to 15000W, a 19-inch or 21-inch motorcycle wheel is strongly recommended. Motorcycle rims and 10G spokes handle high torque, impacts, and high-speed tire wear much better than standard bicycle rims.

Q: How fast can this motor wheel go?

A: For a 26-inch wheel and a rider weighing approximately 70–75kg on city streets, 6000W can go about 70-80km/h(45-50mph), 8000w can go about 85-95km/h((about 53-59mph), 12000w can go about 90-100km/h(56-62mph), 15000w can go about 95-110km/(59-69mph)

These figures are estimates, not guaranteed performance. Actual speed depends on battery voltage under load, controller current, wheel diameter, gearing, rider weight, terrain, and other setup conditions.

Q: Does the wheel use a cassette or freewheel?

A: This motor wheel uses a threaded freewheel interface. It is designed for a compatible screw-on freewheel rather than a cassette that slides onto a splined freehub body. Check your intended drivetrain before purchasing.

Q: How long does shipping take?

A: The product ships from China, by air, it takes about 10-15 business days, by sea to US, it takes about 28-30 business days, by rail to UK and EU, It takes about 30-35 business days.

These are approximate estimates and may vary with customs processing, destination, and carrier schedules. Confirm current options at checkout. For more information,  Please see the Shipping Policy.

Q: Will I need to pay import taxes?

A: Import duties and taxes depend on the destination and applicable customs rules. Additional import taxes are generally not expected for the US, UK, EU, and Australia, while they may apply in New Zealand, Switzerland, Norway, Mexico, Argentina, and Brazil.

These outcomes are not guaranteed. Check the Customs and Import Tax Information and your local requirements before ordering.

Q: Is a 15000W Stealth Bomber e-bike street legal?

A: No. Motors producing 6000W to 15000W and speeds above 45–69 mph far exceed standard e-bike Class 1/2/3 speed and power limits (typically capped at 750W / 20–28 mph). This setup is strictly intended for off-road, private property, or closed-course racing use.

Building a Stealth Bomber E-Bike

This rear motor wheel can be used as a replacement for a compatible Stealth Bomber-style electric bike or as part of a custom build.

A complete build may require:

• Compatible Stealth Bomber frame

• Front wheel

• Front fork

• Rear QS hub motor wheel

• Compatible 72V battery

• Motor controller

• Throttle and display

• Compatible brake system

• Tires and tubes, where not included

• Wiring, connectors, and installation hardware

For a parts checklist, see the Stealth Bomber E-Bike Build Parts Guide.

Component Specifications: This rear motor wheel features original Quanshen QS motor.  All featured third-party components are authentic parts sourced for assembly. Brand names belong to their respective owners and are used here solely to describe the installed components.