Choosing between a 26-inch 1500W rear-wheel conversion kit and a 20-inch 1000W hub motor wheel comes down to your bike's frame and how much power you want. The two kits target different wheel sizes, so the decision isn't only about price-it's about matching the motor to the bike you already own. Here's how they stack up.
Quick verdict: If your bike runs 26-inch wheels and you want a complete rear-drive package with a 48V 35A controller, SW900 display, and throttle, the 1500W kit is the stronger fit. If you have a 20-inch wheel setup and prefer a simple front or rear hub motor wheel that includes a 7-speed freewheel and disc brake support, the 1000W wheel offers the lower listed price.
| Product | Listed Price | Price Bar |
|---|---|---|
| 26'' 48V 1500W Electric Bicycle Rear Wheel E Bike Motor Conversion Kit w/ Tire | USD 211.95 | |
| 1000W Electric Bicycle Front/Rear Wheel E Bike Motor Conversion Kit Hub 20" 48V | USD 147.56 |
Where the 26-inch rear kit wins: The 1500W kit bundles more components. It includes the rear drive motor, a 48V 35A controller with LCD cable, and an SW900 instrument, plus a full throttle and a tire. It features a lithium-ion battery type, pedal assist, and an aluminum alloy frame, with a frame size of 26 inches. If you're outfitting a 26-inch bike and want the core parts together, this package gives you more to work with in one box.
Where the 20-inch hub motor wheel wins: The 1000W wheel is built for 20-inch rims and comes in at the lower listed price. It has a high motor efficiency of max 88.7% to save power, a max torque of 35 N.m, and a max RPM of 420. It also supports standard 6-hole disc brakes and comes with a 7-speed freewheel. If your bike has 20-inch wheels and you already own a controller and display, this wheel is the leaner, less expensive option.
26'' 48V 1500W Electric Bicycle Rear Wheel E Bike Motor Conversion Kit w/ Tire

This is the higher-priced and more complete kit. It includes a 1500W rear drive motor for 26-inch rims, a 48V 35A controller with LCD cable, an SW900 instrument, and a full throttle. It also includes a tire, so the wheel is ready to mount if your frame matches the 26-inch size. The listed features include pedal assist and an aluminum alloy frame for durability and stability. The main limitation is that it is designed around a 26-inch rim, so it won't fit a 20-inch or smaller wheel without a different rim. If your bike already has 26-inch wheels, this kit offers a substantial power jump with a display and throttle included.
1000W Electric Bicycle Front/Rear Wheel E Bike Motor Conversion Kit Hub 20" 48V

This is the lower-priced option. It uses a 1000W brushless gearless hub motor with a 20-inch wheel and tire, a 7-speed freewheel, and support for standard 6-hole disc brakes. It also has a high motor efficiency of max 88.7% to save power and a max torque of 35 N.m. The hub width is 100mm for front or 135mm for rear, so you can choose based on your fork or dropouts. The main limitation is that the package includes only the motor wheel, not a controller, display, or throttle, so those parts are on you unless you already have them. This wheel makes sense for compact 20-inch builds where you want the motor part without the extra electronics.
Final choice by use case: For a 26-inch commuter or trail bike, the 1500W rear kit with display and throttle is the more complete conversion package. For a 20-inch folding bike or small-wheel build where a simple self-powered wheel will do, the 1000W hub motor wheel is the budget-friendly pick.