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What's the Difference Between a 250W & 500W Electric Bicycle?

Hey guys, it's Dustin here, CEO of sixthreezero. I wanna talk to you today about eBikes, and specifically different motor sizes, talking about what's the difference between a 250-watt motor and a 500-watt motor. Well, it's easy, 250 watts. Okay, just kidding, I'll tell you specifically.

Basically, the difference is actually quite simple, it's 250 watts. But what does that mean? Translating that in terms of what is it gonna mean to the rider as I said, you have different motor sizes. A 250-watt motor, if you're doing full throttle, is going to be able to get you to a top speed of, let's say, 15 miles an hour. In pedal assist you'll be able to hit a top speed of about 20 - 22mph.

If you're looking at a 500-watt motor, that's gonna be able to get you to a top speed of about 20 miles an hour. Now, I'm talking full throttle, no pedaling, nothing. So that's really number one difference, is going to be top speed. The other difference is going to be the torque of the motor, you're gonna have more power.

Big difference between 250 and 500 is gonna be the ability to go uphill. Now, there is also different types of motors, and I would recommend a mid-drive motor if you're gonna be doing a lot of hills, things of that nature. But without getting too much into the specifics, if you have a 500-watt motor, taking hills, going up hills, is gonna be a little bit easier than on a 250 because it's gonna have more power. When it boils down to it, specifically the biggest difference is more power, which translates to top speed.

500w Electric Bike

  • Top speed of 20 miles an hour (full throttle)
  • Optimal power going uphill
  • Best choice for heavier-set people

250w Electric Bike

  • Top speed of 15 miles an hour (full throttle)
  • Less power going uphill
  • Best choice for lighter-weight people

Now, if you are a heavier-set person, or you just have a need for speed, going to the higher-powered motor is going to be a better option because let's say the difference ... If you're 180 pounds or less, a 250-watt motor may be enough for you. But if you're 200 pounds or heavier, a 500-watt motor might be better for you because the top speed somebody on a 250-watt motor at 100 pounds can hit might be pretty close to the top speed somebody that's 250 pounds on a 500-watt could hit. Now, I still think the person on the 500-watt is gonna go faster, but depending on the weight of the rider, it's going to bridge that gap.

If you are primarily going to ride on flat ground then a 250 watt ebike or 500 watt will be a good option. Even on flat ground a 250 watt motor will be enough power to propel riders up to 300lbs. So don't think you need a 500w motor if you are a bigger guy. First, determine where you are going to ride and also how much work you want the motor to do. Because if you still want to get exercise and do work yourself a 250 watt is a great option.

So, as I said, motor sizes, big difference between 250-watt and 500 is the power. The way this translates is basically knowing what you need, your body type, how fast you wanna go, things of that nature. And I can get into the specifics of what size motor is right for me in a different video. If you guys want, you can check that out, it'll be on our blog.

And if you have any other questions about eBike motors or any bikes in general, please don't hesitate to reach out. You can email us,, or give us a call, 310-982-2877. And please check out our eBikes, they're up there, go to 'shop' and look for eBikes. Please enter your height and weight into our body fit calculator, it'll tell you which bikes are right for you and your body type. And if you get a thumbs down and nothing fits you, please reach out, we can customize something that will fit your body. Because our goal at sixthreezero is to find a bike that will fit everyone's body perfectly.


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