The fat electric bike transcends the notion of a simple bike. Known for its versatility, it adapts to various types of terrain. But for users, the maximum speed remains a significant criterion. In this article, we will discover the maximum speed of a fat bike and the elements that influence this criterion.

What is the maximum speed of a fat bike?

vitesse fat bike


Speed is an important criterion for fat bike enthusiasts. Classic or electric, this type of large wheel electric bike and all-terrain adapts to all needs. In this section, we will see what performance you can expect depending on the model and the terrains covered. The same goes for the elements that influence these limits to optimize your experience.

For the classic fat bike

On a classic fat bike, you can enjoy a maximum speed of 15 to 20 km/h. The important thing to remember is that performance may vary depending on the type of terrain. On flat terrain, an expert rider can ride at full speed (20 km/h), while on uneven terrain, he will have to be more vigilant (10 to 15 km/h max.).

To get the most out of your machine, here are some things to consider:
● Tire pressure: With the right pressure, you will benefit from a good grip/performance ratio.
● Weight: If you have to carry heavy loads, be aware that this could slow down the device. Even more if it is on soft surfaces.
● Type of tires: By using wide tires (up to 5 inches), you will be able to better stabilize speed on difficult terrain.

The case of the electric fat bike

electric fat bikes have revolutionized the field of cycling with two major innovations: the motor and pedal assistance. Thanks to these two elements, these machines can travel at more than 25 km/h.

Although some models can go beyond 45 km/h, a limit has been imposed by European laws. According to legislation, electric fat bikes cannot exceed 25 km/h. This guarantees their classification as electric bicycles, thus avoiding administrative constraints for users.

Electric fat bikes such as the Garrett Miller electric bikes can ride on various types of terrain:


● They are particularly comfortable on flat roads thanks to an average power of 250W.
● On difficult terrain, the electric assistance gives you a helping hand to keep a smooth pace.


The Garrett Miller Z fat bike is, for example, a real monster on wheels, offering superior performance such as: 40 km/h top speed (on private land) thanks to the 250W motor, 50 to 70 km of autonomy thanks to the SAMSUNG Li-Ion 48V 15Ah 720Wh battery pack.

What influences the speed of a fat bike?

The speed of a fat bike does not only depend on its engine or its electric assistance. Other factors come into play: the terrain, tire pressure and bike equipment. Let's take a look at each element that influences the performance of your electric bike.

fat bike tout terrain

The land

Even though fat bikes are basically designed for off-road use, rough terrain remains a real challenge. On sandy or rocky surfaces, their speed can drop to 10 km/h. The reason? Experienced wheelers prioritize grip and safety over speed. To meet this demand, they equip their bike with 5-inch fat tires specially designed to grip slippery walls.

Tire pressure also plays a determining role. Low pressure provides good traction on loose surfaces, while high pressure reduces rolling resistance on hard paths.

Bike equipment: for stability and control

The fat bike frame is known for being sturdy and rigid. Its role is to ensure good stability for the cyclist, even at full speed. Manufacturers combine this with good suspension to effectively absorb shocks.

garrett miller urban lateral

A little extra that improves rider comfort on rough trails.
And for safety, what's better than hydraulic disc brakes. They provide superior braking power, necessary to control the fat bike on steep slopes or wet terrain.

Technology and power

On an electric fat bike, the motor allows the rider to maintain a constant speed, even on difficult climbs or terrain. With a power of 250W to 750W, electric fat bikes are equipped to tackle all types of surfaces without losing performance. Electric assistance reduces pedaling effort and guarantees a pleasant experience even over long distances.



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How to optimize the maximum speed of a fat bike?

To optimize the performance of your fat bike, we advise you to adopt some good practices: good maintenance, adaptation of use and good choice of equipment. Here are the levers to operate to maximize your speed while ensuring your safety.

vitesse fat bike optimisée

Maintain his fat bike

Good maintenance is the assurance of driving a high-performance vehicle. The first step is to adjust the tire pressure. If you must ride on hard surfaces daily, high pressure will reduce rolling resistance. Conversely, on soft surfaces, reduced pressure optimizes traction.
Next, you will check the brakes. The braking system must be in optimal condition to guarantee your safety and that of other road users.

Adapt its use

In 2024, the electric fat bike has gone from an all-terrain behemoth to an everyday vehicle. It is used on both flat surfaces and uneven terrain. To fully exploit its capabilities, you must adapt the bike to your use.
If you only use it for riding in town, reduce the pedaling assistance to optimize range. Conversely, on difficult paths, electric assistance may prove essential to maintain a good balance between effort and performance.

Choosing the right equipment

Investing in suitable equipment makes all the difference. For example, by choosing extra-wide tires for long and difficult journeys, you ensure a comfortable journey. Same thing with the engine. A powerful engine guarantees a pleasant and adrenaline-filled experience.

WARNING: Accelerators are prohibited on fatbikes

Accelerators or throttles are devices that allow you to engage the engine and move the bike forward using your thumb. Very practical, these objects are however prohibited on fat bikes in the Netherlands.


Dutch legislation has banned their use so that electric bikes meet European pedaling requirements. This is necessary to prevent fat bikes from falling into the category of mopeds or mopeds.

Therefore, Dutch fat bikes must be equipped with a pedal assistance system that is only activated when the rider pedals.
The aim of this law is to maintain safe and consistent regulation for e-bikes, ensuring that they meet conventional standards in terms of speed and use.

Conclusion

The performance of a fat bike depends above all on its model. Classic models can travel at a speed of 15 km/h max. They are perfect for sports enthusiasts on varied terrains. On the other hand, the electric fat bike offers a higher speed, limited to 25 km/h. Its main advantage: electric assistance which helps the cyclist to cover long journeys or overcome difficult paths.
To fully enjoy your fat bike, it is necessary to choose a model adapted to your needs. Do not hesitate to explore the offers available on the market, including those offered on our Weebot store.