Electric bikes are redefining how we think about cycling, merging innovation, sustainability, and adrenaline-pumping speed.
Chances are, if you're reading this, you're curious about just how fast electric bikes can go.
Did you know the current world record for an electric motorcycle is a mind-boggling 283.182 mph (455.737 km/h)?
Of course, that machine was more rocket than a bicycle and not something you'd find in a store.
Still, some of the fastest electric bikes you can buy today can exceed 70 mph (113 km/h)—putting them in a league between traditional bicycles and motorcycles.
But speed isn't just about bragging rights; it's about understanding what's practical and legal, especially if you plan to ride these bikes on public roads.
In this article, we'll look at high-speed electric bikes, covering commercially available models and impressive custom builds.
We'll also explore the real-world considerations and legal implications of owning an e-bike capable of such extreme speeds.
If you love technology, enjoy a bit of speed, or are simply curious about the latest in electric transportation, you're in the right place.
E-Bike Speed Limits in the U.S.
You might wonder if buying a fast e-bike is even worth it when strict speed limits are in place.
However, these regulations exist for good reason—to ensure the safety of riders, motorists, and pedestrians alike.
E-bikes are nearly silent, making them harder to hear approaching, and higher speeds on two wheels increase the risk of severe injuries in the event of a fall or collision.
Realistically, the legal speed limits are sufficient for most uses, whether commuting, cruising for leisure, or running errands around town.
Manufacturers limit e-bike speeds by capping the pedal-assist function, designed to cut off motor power once a specific speed is reached.
These limits vary by the bike's class:
- Class 1 and 2: 20 mph.
- Class 3: 28 mph (pedal-assist only).
That said, it's possible to delimit or derestrict an e-bike, effectively removing the manufacturer's speed cap.
This involves altering the bike's software or hardware to "trick" it into releasing its full electrical power, regardless of its current speed.
While delimiting might sound appealing for speed enthusiasts, it has significant consequences.
In the U.S., an e-bike that exceeds these speed limits no longer qualifies as a bicycle under federal law.
This makes it illegal for public road use unless you register it as a motorized vehicle and comply with all associated requirements like licensing, insurance, and safety standards.
Before considering delimiting your e-bike, remember that the speed limits are there for your safety and others.
Sticking to the legal limits ensures your e-bike remains a practical, fun, and lawful way to ride.
Fastest E-Bike You Can Buy: Hi Power Cycles Revolution XX
If you're looking for raw speed, the Hi-Power Cycles Revolution XX is the fastest commercially available e-bike. This engineering marvel boasts a staggering top speed of over 70 mph—even clocking 74 mph in testing. Its rugged design resembles a dirt bike more than a traditional e-bike, featuring heavy-duty tires, world-class hydraulic brakes, and even a wind-resistant screen to help you slice through the air at high speeds.
The Revolution XX impresses with speed and packs serious endurance, with a 100-mile battery range on a single charge. However, exclusivity is part of its appeal—only 20 units of this powerhouse are being produced, making it a rare gem for those lucky enough to snag one.
Out of the box, the Revolution XX complies with U.S. Class 2 e-bike regulations, capping its speed at 20 mph to ensure it remains road-legal. However, the bike can be modified to unleash its full power, allowing it to reach those jaw-dropping speeds. However, consider that such modifications would make the bike illegal for public roads and classify it as a motorized vehicle, subject to registration and other requirements.
Whether you're a speed enthusiast or a collector looking for the ultimate high-performance e-bike, the Hi-Power Cycles Revolution XX is as thrilling as possible. But remember—owning a machine capable of this kind of speed comes with legal and safety-related responsibilities.
Hallomotor FC-1: Power Meets Precision
The Hallomotor FC-1, an e-bike built for speed and performance, takes the second spot on our list. With a quoted top speed of 65 mph, this is not your average electric bike—it demands careful handling and a responsible rider to match its incredible capabilities.
At the heart of the FC-1's power lies an astonishing 5000W hub motor, which delivers exceptional torque and acceleration. While Hallomotor hasn't explicitly detailed whether this power rating reflects the motor's continuous or peak output, it's likely the latter, meaning the motor can achieve bursts of incredible power when needed.
The rest of the bike is built to handle the demands of high-speed riding. It comes with full suspension—both front and rear—to ensure a smooth ride even at breakneck speeds, along with oversized brake discs that deliver the stopping power necessary to safely manage deceleration from such velocities.
The Hallomotor FC-1 is more than just an e-bike; it's a high-performance machine built for enthusiasts who crave speed. But with great power comes great responsibility, and riding a bike like this requires understanding its limits—both in terms of road legality and safety. If you're looking for a balance of speed, power, and advanced engineering, the FC-1 certainly delivers.
Hi Power Cycles Revolution X: Customizable Speed and Power
The Hi Power Cycles Revolution X offers up to 65 mph, depending on the motor configuration. Its standard 6,000W motor can be upgraded to 7,000W or 8,000W. The speed motor delivers a perfect balance of speed and acceleration, and the Torque motor prioritizes power for tackling steep terrain.
Recent updates include a lighter frame, a more efficient motor with 7% improved efficiency, and reduced cogging torque for a smoother ride. Starting at $13,000, the bike offers customization options like upgraded suspension, lighting, and colour finishes.
Out of the box, it's compliant with U.S. Class 2 laws (capped at 20 mph), but unlocking full-speed capabilities will make it road illegal without proper registration. The Revolution X is a premium e-bike for riders seeking performance and personalization.
Stealth B-52: Balanced Performance and Value
The Stealth B-52 reaches a top speed of 50 mph (80 kph) and offers a range of 60 miles on economy mode or 25 miles on full throttle. Powered by a 2500W continuous motor (6200W peak), it accelerates smoothly and runs almost silently at 65 dB.
Weighing 64 kg, it features motorcycle-grade brakes for precise stopping and full suspension for tackling rough trails. Starting at around $10,400, it's more affordable than other high-speed models, with optional upgrades like mudguards and a controller cover available. A practical choice for speed and durability.
Delfast Top 3.0/3.0i: Endurance Meets Speed
The Delfast Top 3.0/3.0i is an endurance powerhouse, offering a range of up to 200 miles (321 km) on a full charge and a top speed of 50 mph (80 kph). Its design blurs the line between e-bike and electric motorbike, but with pedals included, it firmly earns its spot on this list.
Two models are available: the Top 3.0i (exclusive to the U.S.) with 4G GPS and the Top 3.0 (available internationally) with 3G GPS. Both ship as Class 2 e-bikes, capped at 20 mph and 750W for road use, but can be unlocked for up to 5000W in the U.S. or 3000W in the EU for off-road adventures.
Priced at around $7,000, the Delfast Top offers commuting, off-road trails, and long-distance rides versatility. Standard colours include black and white, with premium options like orange and blue for a custom touch.
Macfox X1S: Compact Power and Versatility
The last model on our list, but by no means the worst, is the Macfox X1S, a commuter electric bike that perfectly balances speed, practicality, and affordability. Designed for urban riders, the X1S offers a road-legal top speed of 25 mph, making it fast enough to keep up with traffic while remaining compliant with e-bike regulations.
Powered by a 500W geared hub motor (peaking at 750W) and a 48V 10.4Ah battery, the X1S provides a range of 38 miles, extendable to 76 miles, with an optional dual-battery setup. Its 20x4.0-inch CST tires and full-steel frame ensure stability and durability, while the front and rear disc brakes deliver reliable stopping power in all conditions.
With a starting price of just $999, the X1S offers incredible value for commuters seeking a fast, efficient, and stylish ride. Optional add-ons like fenders and storage bags enhance its functionality, making it an excellent choice for riders who need a dependable e-bike for daily use.
Conclusion
Speed is the name of the game for these electric bikes. From the jaw-dropping 70+ mph of the Hi-Power Cycles Revolution XX to the commuter-friendly 25 mph Macfox X1S, these e-bikes redefine what's possible on two wheels. Each model on this list showcases cutting-edge engineering, thrilling performance, and the potential to transform your daily rides into adrenaline-packed adventures.
Whether you're chasing top speeds for fun or looking for a balance of power and practicality, these fastest e-bikes prove that the future of cycling is electric—and incredibly fast. Remember, great speed comes with great responsibility, so ride safely and always adhere to local laws. Now, it's time to pick your bike, hit the throttle, and experience the rush of high-speed e-biking!
FAQs
Can I ride these high-speed e-bikes on public roads?
Most e-bikes on this list comply with U.S. Class 2 or Class 3 regulations, meaning their speed is capped at 20-28 mph for road legality. Unlocking their full potential may render them illegal for public roads unless registered as motorized vehicles.
Are high-speed e-bikes safe to use?
Yes, but safety depends on proper use. Features like hydraulic brakes, quality suspension, and durable tires ensure stability and control at higher speeds. Always wear protective gear and follow speed limits for safe riding.
How long do e-bike batteries typically last?
Battery longevity varies by model and usage. Most e-bikes offer ranges between 20 and 100 miles per charge, depending on battery capacity, terrain, and riding mode. For long-term use, batteries generally last 2 to 5 years with proper care.
