If you’ve ever wondered how fast electric bicycles can go or questioned the difference between an E-bike and, say, a motorcycle… Well, you’re not alone. These are some of the most asked questions about electric bikes and, to give a proper answer, it’s important to understand more about what E-bikes are in the first place.
When it comes to electric bikes, they are not only powered through the amount of energy put into pedalling, they also have capable motor support and pedal assist that requires less energy whilst riding, so you can climb hills with far less pedal power. However, when it comes to speed, even if the motor has a limit for how fast it can go, there’s no limit for the speed you can achieve on top of the motor’s assistance using your legs or a good old downhill slope.
That’s where it’s a bit easier to answer the question of how fast E-bikes can go. Normally, E-bikes have restrictions on the maximum speed provided by the motor’s electric assistance. The legal speed limit tends to differ based on your country or region’s specific regulations, in this instance, it’s 25 km/h in the United Kingdom. Other factors may affect the speed you can reach on your electric bike, such as the motor’s power, your weight, your bike’s weight, and your riding terrain.
If you want to learn how to satisfy your need for speed on your E-bike, keep reading to find out more.
What determines speed?
In general, speed is a product of many factors such as power, and an electric bike is no different. What do we mean when we talk about power? When it comes to an E-bike motor, pay attention to the number of Watts (W). A higher W power rating means the e-bike can pull weight more easily, which, depending on other factors such as torque and pedal assist, can help you accelerate quicker. An E-bike’s torque measures the rotary power of the motor. The higher the torque, the less pedalling power is required from your legs in order to accelerate (torque is what gives the oomph to the bike especially when pulling off after stopping). All Momentum E-bikes have a 60Nm torque and 250W motor, that’s plenty of power to beat the morning traffic on your daily commute.
Your and your E-bike’s weight
This discussion takes us back to some of the equations from physics class, but let’s use a real-life example instead. Just like a person pulling a sled, the overall weight of the load can determine how difficult it is to tow the sled and get up to speed. For your E-bike’s case, both the weight of the E-bike and the weight of the rider matter. Let’s think back to that same 250W motor again. It’s going to be easier for the motor to accelerate to its maximum speed quickly if it’s moving 50 kg of weight versus 100 kg.