
28 MPH or 20? Understanding Electric Bike Speed Limits Before You Ride
What Is the Legal Ebike Speed Limit?
Electric Bike Speed Limits aren’t just numbers—they define how fast you can legally ride an electric bike depending on class and state. These speed limits are usually set between 20 and 28 mph, depending on where you live and what type of bike you have. How fast can an ebike legally go? For most riders, the speed limit is 20 mph for Class 1 and 2, and 28 mph for Class 3—with pedal assist only. Electric bikes are regular bicycles with added motors and batteries to help you pedal, making rides easier and more fun. You can learn more basic facts about these bikes on the Electric bicycle Wikipedia page.
Understanding Class 1, 2, and 3 Ebikes
The main difference between a "28 MPH Electric Bike" and a "20 MPH Electric Bike" comes down to their class types. Class 1 and 2 e-bikes can go up to 20 mph with motor help. This 20 MPH limit helps ebikes qualify as bicycles under many state laws. This 20 MPH limit helps ebikes qualify as bicycles under many state laws. Class 3 e-bikes can reach 28 mph and come with extra safety features. Where you can ride depends on these classes, with faster bikes having more rules to follow.
Speed controls are built into the bike's computer system. Testing shows that changing these limits affects how much power the motor uses and how long the battery lasts. Keeping speeds lower makes riding safer in busy areas and helps the battery work better for longer periods.
Different places have different rules about Electric Bike Speed Limits. Some areas only let bikes go 20 mph to be considered bicycles, while others allow speeds up to 28 mph for better commuting. The speed limiter keeps riders from breaking these rules accidentally. This is really important in cities where riders share space with people walking, other bikes, and cars.
Choosing between speed limits matters for different riders. A "20 MPH Electric Bike" works great for saving energy and riding in busy areas. People who need to travel longer distances might prefer a "28 MPH Electric Bike" for faster trips. In addition to local speed rules, federal guidelines also play a role. According to U.S. regulations, riders must be at least 16 years old to use a Class 3 e-bike. Helmets are often required, especially for younger riders or when riding a faster 28 MPH Electric Bike. These added rules make sure that only those with enough experience and maturity handle the higher speeds safely. Most riders find that following speed limits keeps them safer and out of trouble with local laws.
Understanding these speed limits helps you pick the right e-bike. It's about matching your needs with local rules and staying safe while riding. The information here sets up what we'll discuss next about laws, technology, and how these bikes perform.
Are There Speed Limits for Electric Bikes?
Electric bike speed limits keep riders safe. These rules make sure everyone follows the law and stays protected while riding their e-bikes. The rules help bikes last longer by preventing damage to motors and batteries, and they make sure different types of traffic can share the road safely.
Electric bikes in the US fall into three main groups:
Class | Speed Limit | How It Works |
Class 1 | 20 mph | Only works when you pedal |
Class 2 | 20 mph | Works with a throttle, no pedaling needed |
Class 3 | 28 mph | Only works when you pedal, needs extra safety gear |
So how fast can you legally go on an eBike? It depends on the class—Class 1 and 2 stop assisting at 20 mph, while Class 3 can legally help you reach speeds up to 28 mph with pedal assist.
Speed limits matter for several reasons. Low speeds help e-bikes mix safely with cars, people walking, and regular bikes. The rules keep electric bikes working well for a long time.
The government has set clear guidelines about speed limits. Most e-bikes that run on motor power alone can't go faster than 20 mph. Class 3 e-bikes can go up to 28 mph, but riders need to follow extra safety rules. Crashes get much worse when bikes go faster than 25 mph. That's why e-bikes have built-in speed controls. These controls slowly reduce power as you reach the speed limit. The rules aren't random. Safety experts and government agencies worked together to create them. For more information, check out PeopleForBikes Electric Bikes page.
Different places have different rules. Some cities and states want riders to wear helmets or get licenses for faster e-bikes. Places with strict rules usually have fewer accidents.
These speed limits help both riders and their bikes. The rules keep batteries working better and help e-bikes last longer. Many riders like how the limits balance fun with safety. Speed limits on electric bikes protect everyone on the road. They make riding more fun and keep e-bikes running well for years to come.
State-Specific E-Bike Speed Limits
Speed limits for electric bikes can vary a lot depending on where you ride. For example, the electric bike speed limit in California allows Class 3 e-bikes to reach 28 mph on roads, but they’re not allowed on bike paths unless local law says otherwise. In New York City, Class 3 e-bikes are allowed at up to 25 mph in certain areas, but not everywhere. In Florida, e-bike laws set a uniform limit of 20 mph for all classes, making things simpler for riders. Texas follows the typical 20 mph limit for Class 1 and 2 and 28 mph for Class 3, though local rules may apply in certain counties.
Always check your local or state e-bike laws before riding—especially if you're commuting or traveling between different areas.
When Riding a Bicycle at Night You Should Follow These Tips
Nighttime riding adds new risks to your ebike experience. Even if your Class 3 electric bike allows 28 MPH, it’s safer to ride below 20 MPH in the dark.
When riding a bicycle at night you should:
- Use front and rear lights (required in most states)
- Wear reflective gear to increase visibility
- Avoid high-speed roads or dimly lit paths
- Ride slower to improve reaction time
These steps help you follow local ebike speed limit laws while staying visible and safe.
How Do Ebike Speed Limiters Work?
Electric bike speed limiters are small electronic devices that control how fast your e-bike can go. These smart systems make sure your bike stays safe and legal. Speed limiters work by using sensors that check how fast your wheels are turning and how hard you're pedaling. The bike's computer uses this information to decide when to reduce power.
When you hit the speed limit, which is usually 20 MPH or 28 MPH depending on your E-bike Classifications, the motor automatically slows down. Whether you’re riding at 20 or 28 MPH, the ebike speed limiter ensures legal compliance. This simple process happens instantly to keep you within legal limits.
The computer takes many quick readings every second to track your speed. It processes this information faster than you can blink.
20 MPH vs 28 MPH: Performance and Battery Life
Speed limiters for 20 MPH Electric Bikes and 28 MPH Electric Bikes work differently. Here's what makes them unique:
Feature | 20 MPH Electric Bike | 28 MPH Electric Bike |
Power Cut | Happens sooner | Allows more speed |
Response | Very quick | Slightly slower |
Battery Use | Uses less power | Uses more power |
The bike's computer constantly checks your speed and adjusts the power smoothly. This makes sure you don't feel sudden jerks when reaching the speed limit.
Changing these speed settings requires special tools and knowledge. Some riders look for the e-bike speed limiter wire or use a speed limiter switch, but messing with these parts can be risky. Bike shops usually use approved software to safely adjust settings and check if everything is working right.
While electric bike speed limiter removal videos exist online, removing limiters may void your warranty or break the law in your area. Always double-check local regulations before making changes. The speed limiter helps protect both you and your bike. It keeps the motor from working too hard and helps your battery last longer.
How Electric Bike Speed Limits Affect Performance and Battery
Electric Bike Speed Limits do more than just keep you safe and legal. They make a big difference in how long your battery lasts and how well your bike runs. Testing shows that having a set speed limit helps save power while still giving you a great ride.
Here's what happens when you stay within the normal speed limits of 20 mph or 28 mph:
Speed Limit Impact: Ebike Battery Life, Power Draw, and Comfort
Speed Limit (mph) | Avg Power (Watts) | Range per Charge | Ride Comfort (1–10) |
---|---|---|---|
20 | 350–400 | 40–45 miles | 9 |
28 | 450–500 | 30–35 miles | 8 |
Key Benefits of Speed Limits
Your battery works better because the motor isn't pushed too hard. The bike stays cooler, which means it runs better for longer periods. Your ride feels smoother, which is great for daily commuting.
The numbers tell an interesting story:
Speed Limit (mph) | Average Power Draw (Watts) | Estimated Battery Life per Charge | Ride Smoothness Rating (1-10) |
20 | 350 – 400 | 40 – 45 miles | 9 |
28 | 450 – 500 | 30 – 35 miles | 8 |
Setting your Electric Bike to 20 mph means you can ride longer without charging. The faster 28 mph setting is more exciting but uses up the battery quicker.
Speed limits affect other things too:
The motor works less hard at lower speeds, which helps it last longer. Your battery has more power left for unexpected hills or stops when you stick to the speed limit. The bike performs more reliably in all kinds of conditions when you stay within these limits.
Speed limits on Electric Bikes are there for a reason. Following them means your battery lasts longer, your bike runs better, and your ride is smoother. Where you ride also matters. In crowded cities with lots of people and cars, lower speed limits help keep everyone safe. And when riding a bicycle at night, you should reduce speed, use proper lighting, and stay extra alert. In quieter places like country roads or long-distance trails, higher speeds make more sense and help you cover more ground quickly. Riders in urban areas often prefer 20 MPH Electric Bikes, while those with longer commutes may enjoy the boost from a 28 MPH Electric Bike.
Modifications, Tuning, & Product Recommendations
If you want to change your electric bike's speed settings, you need to be careful. Making changes to your e-bike can be risky and might cancel your warranty or get you in trouble with the law. Before you start changing anything, check what's legal in your area and read your bike's manual carefully. Many riders search for “ebike speed limiter removal,” but modifying speed settings may void your warranty or break state laws. There are several ways to adjust your bike's speed, but you have to think about safety first. Making your bike faster means you'll need to be extra careful when riding.
Safe Steps for Tuning Your E-bike
1. Know Your Bike:
Learn how your electric bike works. Your bike's speed control is part of a bigger system that needs to work together.
2. Make Sure Changes Will Work:
Not every e-bike can be adjusted easily. Write down your current settings before making any changes. Some bikes have special software that won't let you make changes.
3. Go Slow with Changes:
Make small changes one at a time and watch how your bike responds. Check if the motor and battery are working right. If something seems wrong, go back to your old settings.
4. Know the Rules:
Most places only allow e-bikes to go 20-28 MPH. Going faster than that could get you in trouble. Changing your bike might also break your warranty.
5. Test Everything:
After making changes, test your bike somewhere safe, away from other people. See how it speeds up, slows down, and uses the battery. Getting help from a bike mechanic is a good idea.

Making Your Bike Better and Safer
If you decide to adjust your electric bike speed limits, you might want to upgrade other parts too. Better parts can help you control your bike and feel more comfortable.
• Get a better e bike stem to reduce shaking
• Add a new electric bike saddle for a smoother ride
These changes can help you ride better when going faster. Both parts have been tested to make sure they work well.
Things to Watch Out For
• Stay Safe: Going too fast can be dangerous and might not be legal
• Take Care of Your Bike: Riding faster can wear out your motor and battery quicker
• Keep Track: Write down any changes you make and talk to other riders about what works
Remember, while making your e-bike faster can be fun, you need to be smart about it. Think about safety first, and get help if you need it. Good parts and careful changes will help you ride better and safer.
Future Trends & Conclusion
Electric bikes are becoming more important in cities around the world. Transportation experts predict that more people will use e-bikes in the coming years as cities grow bigger.
Speed limits for electric bikes will keep changing as new technology develops. Smart speed controls are getting better at keeping riders safe while letting them enjoy their rides.
Technology and Safety
New electric bikes can now change their speed limits based on where you're riding. These smart systems use simple sensors to know when you're on busy streets or empty roads.
E-bike rules are changing in many states. The changes help make sure the rules match what new electric bikes can do.
More riders want to customize their electric bike experience. New e-bikes let you switch between different modes that control your speed and how much power you use.
Battery technology is getting much better. Soon, electric bikes will go farther on a single charge while still following speed limits.
The rules for 20 MPH Electric Bikes and 28 MPH Electric Bikes keep changing. It's important to stay up to date with your local e-bike classifications. You should check your e-bike's settings and know the rules in your area. For the latest information about transportation rules, visit the U.S. Department of Transportation's website at transportation.gov.
Understanding electric bike speed limits helps everyone ride safely. Whether you're new to e-bikes or have been riding for years, knowing these rules makes riding more fun.
FAQs
1. What are the three main ebike classifications?
Electric bikes fall into three classes:
Class 1: Pedal-assist only, top speed of 20 mph
Class 2: Pedal-assist or throttle, also limited to 20 mph
Class 3: Pedal-assist only, with a higher ebike speed limit of 28 mph and often requiring helmets or age restrictions
2. How do ebike speed limiters affect battery life?
Ebike speed limiters improve battery efficiency by managing motor output. Class 1 and 2 bikes (20 mph) typically reach 40–45 miles per charge, while Class 3 bikes (28 mph) average 30–35 miles.
3. Is it legal to modify or remove an ebike’s speed limiter?
Speed limiter removal may be illegal under local or state regulations. It can also void your warranty and impact your e-bike’s safety systems. Always check your local laws before making modifications.
4. What safety features are required for Class 3 ebikes?
Class 3 ebikes—due to their higher speed—are often required to have speedometers, helmet mandates, and in some cases, minimum rider age limits (e.g., 16+ in many states).
5. Do ebike speed limits vary by state?
Yes. Ebike speed limit laws differ across states and cities. For example, California allows 28 mph Class 3 bikes on roads, but not bike paths. Florida applies a flat 20 mph rule. Always check your local regulations.
6. Do I need a license to ride an electric bike?
Most states do not require a license for Class 1 or 2 ebikes. However, some areas require permits or ID for faster Class 3 ebikes. Always confirm your state’s rules before riding.
7. What is the legal speed limit for ebikes in the U.S.?
Generally, 20 mph for Class 1 & 2 and 28 mph for Class 3 (pedal assist only). Some local laws may set lower limits depending on the riding area or path type.
8. Can you remove the speed limiter on an electric bike?
Removing the speed limiter might increase speed, but it may also be illegal, unsafe, and void your warranty. Modifications should only be done with caution and full knowledge of legal consequences.
For detailed updates on local regulations, visit the U.S. Department of Transportation. State-by-state e-bike laws can change frequently, so always verify before riding. This guide was compiled by the Leoguar Bike Team, using industry references like PeopleForBikes and NHTSA to ensure accurate and up-to-date information.
Last updated: July 2025
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