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Which helmet to choose for your speedbike?

casque speed bike

Which helmet to choose for your speedbike ?

In this article

Have you just fallen for an LMX ?
Are you still at the thinking stage ?

To ride our speed bikes safely, you must wear a special helmet. It is important to know the standards to choose your helmet well. There are different types of helmets adapted to each practice and each morphology.

To be safe on your speed bike or motorcycle, this article will help you choose the right helmet.

The speed bike, what is it ?

A speedbike is a fast electric bicycle. Speedbikes go faster than conventional e-bikes thanks to electric assistance up to 45 km/h. The assistance is active when the rider pedals or when he turns the accelerator on the handlebars. This makes it possible to cover distances faster and easier, on different types of terrain.

Speed bikes are subject to specific regulations in each country or region. Rules may change for engine strength, top speed, driver age and helmet wearing. It is important to familiarize yourself with local regulations for safe use of a speedbike.

Casque Speed Bike

In France, speed bikes are considered 50cc mopeds. These vehicles are homologated for the road and are classified in the L1e-B category.

To be homologated, the speed bike must meet specific criteria, particularly in terms of safety and performance. The Highway Code sets rules for cars driving in France. You have to follow them to have the right to travel on the roads.

Ride your speed bike legally

Vélo électrique rapide

It is important to note that speed bikes are not allowed on cycle paths in France. They must be used on the road, like other motorized vehicles.

It is also important to respect speed limits and drive responsibly.

Pilots are required to take out civil liability insurance.

Wearing a helmet on a speed bike

Wearing a helmet is compulsory on speed bikes.

To ride legally, your helmet must be ECE 22-05 approved. This is a moped and motorcycle helmet.

It is important to take into account this standard, currently in force in France.

You can buy “special speedbike” helmets on the market. However, they comply with the NTA8776 standard. This standard is only valid in Belgium and the Netherlands.

In addition to helmets, there are other requirements to be able to ride a speedbike.

  • The obligation to wear approved moped gloves
  • The AM license (formerly BSR)
  • A gray card and a license plate
  • Special equipment on the speed bike: a mirror, a brake light, front/rear lighting and a kickstand
Casque Speed bike

Choosing the right speed bike helmet for your use

casque speed bike

The factors for choosing an adult electric motocross helmet are the same as for other types of helmets. To ensure your safety and comfort, it is important to take into account several elements.

First, you need to make sure the helmet fits snugly and is comfortable to wear. You should also check that the helmet complies with current safety standards.

Check that the helmet is ventilated and adjustable so that it stays in place. Finally, you need to make sure that the headset is lightweight and made from sturdy and durable materials.

Which speed bike helmet for you ?

Depending on your use, there are different types of helmets. There are helmets designed for urban, some for enduro or trial outings. An urban type helmet will have a rather round shape. A trials type helmet will have a visor or sun visor, with a sportier shape with vents.

How to choose the size of your helmet ?

Choose a helmet that fits your head properly. The size must be adapted to your head circumference. The helmet must be well positioned in order to offer optimal protection. Try several models and brands to find the one that best suits your body type.

Choosing a comfortable speed bike helmet

Make sure the headset is comfortable to wear for long periods of time. The strap and interior padding adjustment systems can play an important role in the overall comfort of the helmet.


When riding in the dark or with little light, it is important to take steps to be visible. One of the best ways to do this is to use a helmet with reflective or integrated parts. This will improve your visibility to other road and trail users, which can help you avoid accidents. Wear a reflective or integrated helmet to be more visible and ride safely, even in the dark.

Consult the opinions of other users of speed bike helmets

Reading user reviews can also be a good solution for choosing your headphones. This can be very helpful in making a decision, especially when it comes to size.

Need speedbike helmet help ? Ask for professional advice in a specialist store. They can help you choose the right helmet for your riding style and needs.

Casque speed bike

In summary,

Choose an approved helmet to ride safely on your LMX. It is important to take the time to choose the right helmet, as it is essential for your safety and comfort.

Be sure to check that the helmet fits your head properly. Also check that the helmet fits properly and is comfortable to wear. Once you’ve found the right helmet, you can finally enjoy your LMX safely !

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Using your LMX in winter : tips and advice

Using your LMX in winter : tips and advice

Winter regularly offers beautiful sunny and clear days, perfect for going out riding on your LMX !

However, this season requires a little more care when it comes to the maintenance of your two-wheeler and the checks to be carried out before hitting the road.

In this article, find out how to adapt the maintenance of your LMX in the winter season and what to check on your equipment before going out.

Adapt the maintenance of your LMX in winter

  • Apply lubricant to the transmission chains to prevent freezing and corrosion caused by salt. Be sure to use a grease suitable for the type of terrain and climatic conditions.
  • Wash your LMX after each ride to remove any salt that could potentially be put on the roads. Avoid high pressure jets too close to sensitive elements : mechanical bearings and cassette, electronics : circuits and battery. Instead, prefer a classic water jet or medium pressure jet (such as portable pressure washers).
  • Dry your LMX well after each wash so that it does not get stored wet.
  • Your entire LMX should be stored in a dry and temperate place (between 10 ° and 30 °). Below this temperature, the battery level can be reduced by 30%. It is therefore important to store your LMX away from the wind to avoid damage caused by cold and humidity (impact on the battery and corrosion).

Special battery indications

  • Regularly charge the battery of your LMX so that it does not drain completely.
  • Store the battery in a dry and warm place so as not to damage it.

In extreme cold, if the temperature is below -15 ° C, your LMX will turn off. If the temperature is -10 ° C, the battery will reset. At these temperatures, the battery will not be able to recharge, so it is strongly recommended to store it away from the cold.

  • If you do not use your LMX during winter, we recommend that you store your battery at ⅔ of its maximum capacity (52V no-load voltage), in accordance with the user manual.
  • Have your LMX checked at the end of winter directly at the workshop or at your LMX dealer for a complete check-up and be ready for spring.
See the LMX 64 owner's manual
See the LMX 161 owner's manual

Check your equipment before leaving

  • Check the braking performance before each ride if you have not used your LMX for a long time.
  • Check the tire pressure of the LMX as it can decrease with the cold.
  • Check the chains of both transmissions or the chain and belt for belt drives.
  • Check the hubs.
  • Check the headset.

Cover yourself in the cold as a pilot

  • Multiply the thin layers of clothing to keep your body warm.
  • Prefer warm, waterproof clothing to protect yourself from humidity.
  • Keep your hands warm with waterproof gloves and liner gloves.
  • Wear waterproof, warm and snow-resistant shoes so you don’t end up with wet feet when you go out.

Adapt your LMX to the terrain

  • Lower your tire pressure if you are riding in snow. This will give you better grip.
  • Leave with a full, warm battery. Indeed, it risks discharging faster in the cold of winter.
  • Opt for sporting outings which will keep the battery warm to optimize the autonomy of your LMX.

Your LMX in winter

There you go, you are now ready to hit the road with your LMX and enjoy the winter landscapes of your region.

To learn more about the routine maintenance of your LMX, visit our dedicated article right here :

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What size of wheel for my practice ? Explanations and advice

What size of wheel for my practice ? Explanations and advice

Like any pilot, you have maybe already asked yourself these questions :

What are the most common wheel sizes ? What are their characteristics ? Which wheel size should I choose ? Which LMX configuration is best for my practice ?

We have answered all of your wheel questions in this article to help you find the LMX that’s right for you !

Motocross électrique adulte LMX 161

1. The most common MTB wheel sizes : 27.5" and 29"

Let’s start with the basics : Wheel sizes are expressed in inches as a unit of measurement. Historically, ATVs were equipped with 26″ wheels.

There were not really any other sizes of wheels suitable for individual practices. It was cross country that brought the 29” wheels to the market to provide better grip on the ground.

The 27.5″ wheels then appeared to offer greater versatility and to offer a compromise between 26″ and 29″.

2. Advantages of 27.5'" and 29" wheels

27.5'' WHEELS

More manageable

As the 27.5’’ wheels are smaller, they provide more handling and agility, which makes the ride more straightforward and precise.

Smaller people are more comfortable with these kinds of wheels because they have less difficulty turning in narrow passages.


The 27.5″ wheels are logically lighter than larger wheels even though the weight difference decreases.

More acceleration

The 27.5″ wheels provide greater acceleration than larger wheels. Indeed, it is necessary to give more pedal strokes to train the wheels, but it is easier to gain speed thanks to less inertia.

More versatile for less effort

If you practice on all terrains and are looking for versatility, prefer a 27.5″ wheel. Plus, it takes less effort to move forward than a 29″ wheel, especially on unobstructed terrain.


Fewer pedal turns

As seen with the 27.5” wheels, the smaller the wheels, the more pedal turns must be provided. Conversely, with a larger 29” wheel, you cover more distance with the same number of pedal revolutions. On the other hand, the acceleration is less important.

Optimized ground grip

Since the contact patch is higher on a larger wheel, it is best to go 29″ if you are riding on rough terrain. The angle of attack is different, it is weaker and lower, so it will allow you to overcome obstacles more easily.

More flexible and comfortable

As the wheel sizes are larger, the vehicle is smoother, more comfortable, but less responsive when cornering. Your two-wheeler is then more stable.

More yield

Riding with 29” wheels reduces friction on the ground, and therefore offers more performance. Driving performance is therefore optimized.

3. Which LMX configuration best suits my practice ?

The three existing LMX platforms each have their own specificities in terms of wheel mounting.

Let’s go back to their different equipment to determine which one is best suited to your practice.

LMX 64

Enduro-style equipment

The LMX 64’s front and rear wheels are 27.5″, which corresponds to an enduro-style setup.

A true all-rounder, the LMX 64 adapts to all sizes of riders and can go on all terrains.

Comfortable downhill and uphill, you can overcome all obstacles thanks to the accelerator on the handlebars.

Rear wheel

Rim 30 mm x 27.5''

Front wheel

Rim 30 mm x 27.5''

LMX 161

Motocross-style equipment

The 26″ front and 19″ rear wheels are a cross-country setup for our ultralight electric motorcycle.

Indeed, having a larger wheel at the front makes it easier to overcome obstacles.

Rear wheel

Rim 1.4 x 19''

Front wheel

Rim 2.50 x 26''

LMX 56

Trial-type equipment

The 29″ front and 27.5″ rear wheels are a typical trial setup. Indeed, having a bigger wheel at the front will make it easier to pass obstacles and have better stability during technical passages.

If you hesitate between the LMX 64 and the LMX 56, it is at the level of your practice that you will have to turn to make your decision.

Rear wheel


Front wheel


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All about speed bike : advantages and regulations​

Speed bike


Speed bike


But then, what exactly is a speedbike?

The speedbike is an electrically assisted bicycle that is faster and more powerful than traditional eBike. Unlike these last, the speedbike is legally considered a 50 cc moped. Indeed, the assistance of the bike can go up to 45 km/h and is not limited to 25 km/h like a VAE because the power of the motor is no longer limited to 250 W nominal. For example, our road-legal LMX 64H has a rated motor power of 1.5 kW.

Something to have fun !

Why buy a speed bike ? What are the advantages compared to an e-bike ?

Lighter than a scooter or moped

If you take the LMX 64H and its featherweight 30 kg, a speedbike is 3 to 5 times lighter than a classic moped.

The grip is then made easy and accessible to all and its maneuverability allows you to find the sensations of riding and the speed of an enduro mountain bike, but with less effort on the climbs.

Your bike rides are extended in duration and distance !

Accessible to everyone

No need for a driver’s license, just the “Road Safety Certificate” which is accessible from 14 years old.

In addition, the speed bike is easy to transport because it loads quickly on a bike rack (no need for a trailer).

Discreet and quiet for a moped

Absences of engine noise and vibration allow riders to train and focus on lines, improvisation and fun, without disturbing their surroundings.

Say goodbye to noise pollution and carbon emissions !

No more frustration with the 25 km/h limit

Now you can indulge yourself with electric assistance of up to 45 km/h !

On the LMX 64H, the 2.5 kW of peak motor power is a treat.

LMX TIP : The LMX 64 has dual power assist because it has a twist grip on the handlebar! Ideal for making the most of all the power of the bike.

This functionality is made possible by the 45 km/h homologation.

Limited maintenance compared to a scooter

Maintenance is made easy, simple and limited (washing, greasing, and tires). Indeed, it is similar to that of a classic eBike. Operating costs are therefore reduced. Long live the savings !

Practice in urban environment

Easy to transport and park, the speedbike is perfect for getting to work and being fast around town, while having fun. It is even safer than a simple bicycle on a main road because there is almost no speed difference with cars and exposure to danger is therefore reduced. The floor space is also reduced, because it is less bulky than a scooter.

It’s also perfect for having fun on weekends off-road with good battery life : 850 Wh for the LMX 64H !

Vélo électrique puissant
Speed Bikes


Find our 45 km/h road-approved model and our off-road version right here :

Speed bike