Whether you're upgrading an older bike or building a new commuter, the first fork in the road for ebikes conversion kits is usually the same: do you want a modest rear-wheel motor that keeps the listed price low, or a more powerful setup with a screen and extra speed? The 26-inch 48V 1000W rear hub kit lists at USD 185.07, while the 27.5-inch 48V 2000W rear hub kit with LCD lists at USD 283.66. The listed-price gap is USD 98.59. Both are black, new conversion kits mounted on the rear wheel, and both run on a 48V system. The choice comes down to how much power, speed, and display you want for your riding style.
Quick verdict
If you need the strongest listed motor, the highest speed claim, and a built-in LCD, go with the 27.5-inch 2000W kit. If you're riding a 26-inch bike and want the lower listed price, the 1000W kit is the straightforward choice.
Price and specs at a glance
| 26-Inch 1000W Kit | 27.5-Inch 2000W Kit | |
|---|---|---|
| Listed price | USD 185.07 | USD 283.66 |
| Motor power | 1000W | 2000W |
| Wheel size | 26 inch | 27.5 inch |
| Display | Not specified | LCD |
| Speed claim | 56 km/h | 43.5 MPH |
| Efficiency | >80% | ≥82% |
| Load limit | Not specified | 330 lbs |
| Adjustable speed | Not specified | 3/5/9 modes |
Where each kit wins
The 26-inch 1000W kit wins on price. For the lower listed price, you get a brushless rear hub motor for a 26-inch wheel, efficiency above 80%, and a 56 km/h speed claim. It's the no-frills path if your bike already fits a 26-inch rear wheel.
The 27.5-inch 2000W kit wins on power and features. The higher-priced kit brings a 2000W motor, a 27.5-inch wheel, an LCD display, a 43.5 MPH speed claim, 330 lbs load support, and adjustable speed in 3, 5, or 9 modes. It also requires assembly.
26-Inch 48V 1000W Rear Hub Motor Kit

This kit is for riders who want a straightforward rear-wheel conversion without the complexity of a display. It pairs with 48V 17-20Ah lithium or lead-acid batteries, and those batteries are not included. The brushless motor lists efficiency above 80%, and the 56 km/h speed claim gives you a clear performance target. Materials include aluminum, iron, copper, magnetic steel, aluminum alloy, and rubber butyl, with rust resistance noted. The main limitation is the lower power output compared to the 2000W kit, along with the separate battery requirement. If your bike uses a 26-inch rear wheel and you don't need a screen, this kit keeps the setup clean and direct.
27.5-Inch 48V 2000W Rear Hub Motor Kit with LCD

This kit is aimed at riders who want a bigger power step and more feedback from the bike. It includes a 27.5-inch rear wheel, an LCD display, and a 2000W motor. The 43.5 MPH speed claim and 330 lbs load limit make it the more ambitious option. Aluminum construction and efficiency of at least 82% are listed, and you can switch between 3, 5, or 9 speed modes. The kit requires assembly, so plan for installation time. It's the stronger choice if you need the larger wheel, the display, and the extra power for hills or heavier loads.
Final choice by use case
For a 26-inch commuter bike and a focus on the lower listed price, the 26-inch 48V 1000W kit is the practical pick. For a 27.5-inch bike or a rider who wants more power, the 48V 2000W kit with LCD and 330 lbs support is the better upgrade.