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Electric bikes can go up to speeds of 28 MPH (~45KM/h), depending on their ebike classification. Although, the top speed of an electric bike will ultimately vary on several factors, such as its class, how fast you pedal, how much assist you use, the type of motor, the size of the battery, and the weight of cargo you're carrying. How fast are electric bikes? is probably one of the most common questions that the ebike curious ask of ebikers. It is a legitimate question because you're adding a motor to a mode of transportation that humans have had the ingenuity to gear so that they can travel at very high speeds under their own power: up to almost 90mph (miles per hour) in The Human Powered Speed Challenge that takes place in Nevada every September! Denise Mueller-Korenek holds the record for the fastest cycling person in the world, reaching over 183mph while riding on the Utah salt flats in 2018 (be it with a motor car's slipstream for assistance!). As far as ebikes go, the world's fastest ebike is the SWIND EB-01 which has an official top speed of 60mph; but the creator says that with some tinkering it can hit 80mph!To get more news about fastest ebike, you can visit magicyclebike.com official website.

People's assumptions about ebike speed vary from supa-dupa fast, imagining that everyone is going to be whizzing around at 60+mph, to not-too-fast-at-all, and kind of pointless. In fact, most ebikes are not designed for high speeds, rather for assistance in achieving and sustaining higher speeds, carrying goods, or enabling the freedom of biking for those who might not be able to do it under their own power; like Mark!

Many factors are affecting the answer to "how fast can an electric bike go?" and the main ones are legislation, weight, and motor power. While hitting higher speeds can be fun it can have a great impact on an ebike's range. We'll discuss all these factors in our comprehensive guide dedicated to the speed of electric bicycles.
These classes are not yet set in stone, more on that in the next section, but they’re the guidelines that most ebike companies follow when designing their ebikes because these classes are turning out to be the preferred framework for legislators.

Whether or not an ebike in each of these classes can reach its permitted electric bike top speed depends on the payload it is carrying and its motor output. The maximum speed of an ebike will be relative to both its payload and the power output of its motor, but, in most cases, with just you on your ebike, you’ll be able to reach the class limits placed upon it.

It is worth noting that higher speeds can be reached by pedal power and the assistance of gravity because the speed of the bike itself is not limited, rather the electric assistance cuts out when the class limit is reached.
EBIKE LEGISLATION: HOW FAST CAN I LEGALLY TRAVEL?
20mph might seem fast to some but it has not been chosen arbitrarily. 20mph has been set as a limit because it is found to be equivalent to speeds sustained by regular cyclists on roads, trails, and bike paths. Class 3 ebikes are usually restricted to roads and roadside bike paths because of the higher speed ceiling programmed into them.

The hard part about answering the question “how fast can I legally travel on an ebike?” is that laws differ by state. As of 2021, legislation creating a class system for ebike has been accepted in 37 States and you can see those States, the related bills, and the limitations set forth within them in this spreadsheet created by People for Bikes.

People for Bikes have also curated a handy list of links to State level ebike legislation and the handouts they created for their citizens upon introducing the legislation. These resources allow ebike riders to easily discover how and where they’re legally allowed to travel with their ebike in their state, or a different state if they’re maybe crossing State lines and taking their ebike on vacation with them.