Know everything about the Virvolt 500 kit

Do you love your bike, but want to enjoy the benefits of an electric bike without changing your equipment? electric bike kit is the practical and economical solution that allows you to transform your classic bicycle into a high-performance electric bicycle.

Easy to integrate and compatible with a wide variety of models, this kit offers you smooth electric assistance to make your journeys more enjoyable, whether in the city or in the great outdoors.

In this article, discover why the Virvolt 500 kit is a wise choice in 2025 to convert your bike, combining advanced technology, local know-how and respect for the environment.

Summary

1. What is the Virvolt 500 front wheel kit?

1.1 How does this electric bike kit work?

1.2 What does the Virvolt 500 electric bike kit consist of?

1.3 What types of bicycles is it designed for?

2. Performance, compatibility and installation

2.1 What power and torque does this electric motor kit offer?

2.2 Which batteries and screens are compatible with this electric assistance kit?

3. Why choose a front wheel electrification kit?

3.1 What are the advantages of the Virvolt 500 kit compared to a ready-to-use electric bike?

3.2 Pedaling sensor or cadence sensor: which to choose for an electric bike conversion kit?

3.3 Can a mountain bike be converted with this electric kit?

4. Manufacturing process and local know-how of the Virvolt 500 kit

5. Conclusion: Converting your bike with the Virvolt 500 kit is a wise choice in 2025

1. What is the Virvolt 500 front wheel kit?

1.1 How does this electric bike kit work?

The Virvolt 500 electric bike kit is an innovative solution for electrifying your classic bicycle without changing your bike. Unlike a ready-made electric bike, this kit allows you to convert your current bicycle into a high-performance and versatile electric bike.

The heart of the system is a brushless motor integrated into the front wheel hub, with a nominal power of 250 watts. This power complies with European standards governing electric bicycles (e-bikes), limiting the power and assisted speed to 25 km/h.

But how exactly does this electric bike kit work? When you pedal, a pedal sensor installed on the crankset detects the rotation of the cranks. This sensor transmits a signal to the electronic controller, which then supplies electrical power to the motor. The brushless motor is also silent, allowing for a pleasant and discreet ride.

Below is an electric bicycle equipped with a Virvolt 500 kit, while preserving its original character. 🚲

The fact that the motor is located on the front wheel offers several advantages, including simple installation and limited impact on the bicycle's rear drivetrain. This last point is important because it preserves the integrity of the derailleur, reducing the risk of adjustments or failure.

The system operates with a rechargeable lithium-ion battery, housed in the bottle cage, which powers the entire unit. The user controls the assistance modes via a screen mounted on the handlebars, allowing them to adjust the power according to the terrain or desired effort level.

1.2 What does the Virvolt 500 electric bike kit consist of?

The Virvolt 500 kit comes as a complete package, including everything needed to convert a classic bicycle into an efficient electric bicycle.

• The motorized front wheel: This is the main component, a wheel equipped with a 250W brushless motor integrated into its hub. This motor is lightweight, weighing less than 2kg, with a torque of 35 Nm, ideal for effective assistance.
• The electronic controller: The true brain of the kit, the controller manages the distribution of power to the motor based on signals from the pedal sensor. It optimizes battery consumption while ensuring progressive assistance. It is located on the battery mount.
• The pedal sensor: Located on the crankset, it detects rotation and transmits the information to the controller. This sensor ensures that the assistance is activated only when the cyclist is pedaling, guaranteeing a natural ride that complies with regulations.
• The control screen: Mounted on the handlebars, it allows you to choose between 3 levels of assistance, view speed, distance traveled, and battery charge level. The interface is designed to be intuitive, even for beginners.
• The lithium-ion battery : The battery attaches to the frame by inserting it into its holder near the bottle cage. Capacities range from 7Ah to 10.5Ah, providing a range of 40 to 70 km depending on usage. The battery is lightweight, recharges in 4 to 6 hours, and features an integrated safety system.

Thanks to all these components, the Virvolt 500 positions itself as an accessible, reliable and high-performance electric bike kit.

1.3 What types of bicycles is it designed for?

The Virvolt 500 kit has been designed to be compatible with a wide variety of bicycles, making electric conversion accessible to a broad audience. It is perfectly suited to city bikes, hybrid bikes, urban bikes, as well as some rigid and hardtail mountain bikes, provided the front fork can accommodate the motorized wheel.

For city bikes, this kit allows you to enjoy assistance without changing your riding habits. The motorized front wheel is compatible with most standard axle forks and is easy to install.

Installation is possible on mountain bikes, but requires careful verification of mechanical compatibility (disc brakes, fork width). The Virvolt 500 kit is particularly well-suited to full-suspension or rigid-suspension mountain bikes.

The kit may also be suitable for folding bikes or vintage bikes, but specific adjustments may be required.

The advantage of the front wheel electric kit is that it does not modify the rear drivetrain. Therefore, bicycles with complex, multi-speed derailleurs or sophisticated braking systems do not require significant modifications.

2. Performance, compatibility and installation

2.1 What power and torque does this electric motor kit offer?

The Virvolt 500 kit's motor has a nominal power output of 250 watts, complying with European standards for electric bicycles. This power is optimized to provide smooth, safe assistance while respecting legal limits.

The motor delivers a maximum torque of 35 Nm, which is an excellent compromise between power and control. This torque effectively assists the rider during starts, on gentle inclines, and on hilly terrain, without compromising the bike's handling. While not the highest power output on the market, it is more than sufficient for most urban and suburban riding. Furthermore, the 250W limit ensures decent range, as more powerful motors consume more battery power.

For cyclists seeking more power, Virvolt offers other kits with rear wheel or crank motors, but the Virvolt 500 remains the most suitable for daily and urban use.

2.2 Which batteries and screens are compatible with this electric assistance kit?

The Virvolt 500 kit is compatible with our Virvolt Beginner or Standard lithium-ion batteries. These batteries are designed to be lightweight (between 1.4 and 1.8 kg), shock-resistant, and weatherproof, with an integrated electronic management system to protect the battery against overcharging or over-discharging. A full charge takes 4 to 6 hours with a standard, easily portable charger.

Compatibility with several battery and screen models allows the bike to be customized according to specific needs, for example to prioritize range, lightness or reading comfort.

3. Why choose a front wheel electrification kit?

3.1 What are the advantages of the Virvolt 500 kit compared to a ready-to-use electric bike?

Many people hesitate between buying a complete electric bike or converting their current bike with an electrification kit. There are many arguments in favor of a kit.

First, the cost. The price of a new, high-performance electric bike is often high, exceeding €2,000 or even more for top-of-the-range models. The Virvolt 500 kit, on the other hand, costs between €600 and €700, depending on the options chosen (battery, display). This represents a significant saving, especially if you already own a bike in good condition.

Secondly, the preservation of your favorite bicycle. Many cyclists are attached to their bikes, whether they're old, vintage, or simply familiar models. With an electric bike kit, you're not changing your bike, but giving it a new lease on life. This approach is also more environmentally friendly, as it reduces the need for new bikes and the consumption of resources.

Thirdly, personalization. By choosing a kit, you control the components: motor power, battery capacity, and user interface. This allows you to customize your electric bike to your specific needs, whether for urban use, a sporty ride, or a combination of both.

Fourth, flexibility. You can always remove the kit if you want to revert to a standard setup, or transfer it to another bike. This modularity is a significant advantage, especially for users who want to upgrade over time.

Finally, legal compliance. The Virvolt 500 kit complies with European regulations, with a power output limited to 250W and assistance cutting off above 25 km/h. This compliance guarantees safe and legal use on public roads.

In short, choosing an electric bike kit like the Virvolt 500 means opting for an economical, ecological, flexible, and customizable solution. It's also a way to upgrade your existing bike while enjoying the benefits of electric cycling.

3.2 Pedaling sensor or cadence sensor: which to choose for an electric bike conversion kit?

One of the key elements in choosing an electric assist kit is the type of sensor used to activate the motor. The Virvolt 500 uses a pedal sensor, but some kits offer torque sensors.What difference does it make and what impact does it have on the user experience?

THE pedal sensor It detects the rotation applied to the pedals. This means the motor only provides assistance when you pedal. So, as soon as the pedals turn, even without any effort, the motor engages. This method is often simpler and less expensive, but can provide a less natural feeling of assistance. This type of sensor is therefore recommended for urban use where frequent stops are the norm.

Conversely, the torque sensor It measures the pressure exerted on the pedals. When a cyclist climbs a hill, they push harder on the pedals. The sensor detects this increase in force and adjusts the motor's power accordingly, reducing fatigue and improving smoothness. This technology is therefore more precise but also more expensive.

3.3 Can a mountain bike be converted with this electric kit?

The market for electrification kits has grown significantly, and many mountain bikers are looking to electrify their bikes without investing in a new model. The Virvolt 500 kit is suitable for this demand, but under certain conditions.

The kit is compatible with rigid and hardtail mountain bikes, provided the front fork accepts the motorized wheel, which often requires a fork with a standard axle. However, the motor mounted on the front wheel alters the bike's dynamics. On a mountain bike, this can result in a change in handling, especially on descents or technical terrain. Furthermore, the presence of front suspension can slightly complicate installation, as it's necessary to ensure the motor doesn't interfere with the suspension's operation.

Another important point concerns the brakes. The Virvolt 500 kit is compatible with disc brakes, but you must check the dimensions and mounting points to avoid any problems.

Despite these constraints, converting a mountain bike with the Virvolt 500 remains a good option to increase range, make climbing easier, and extend rides without excessive fatigue.

For those who enjoy recreational mountain biking or nature walks, this kit allows you to transform a classic bike into a versatile electric mountain bike, while keeping your budget under control.

4. Manufacturing process and local know-how of the Virvolt 500 kit

THE Virvolt 500 electric bike kit Virvolt doesn't just offer reliable and high-performing assistance on paper; it also benefits from a rigorous manufacturing process and local expertise that ensure its robustness, durability, and consistent quality. Unlike many mass-imported conversion kits, Virvolt focuses on the gradual relocation of its production, thus promoting technical expertise, quality control, and the local economy.

Each component of the electric motor kit is selected with strong requirements, guaranteeing optimal integration and long-term reliability.

The front wheel motor of the Virvolt 500 kit is currently manufactured in China in specialized partner factories, renowned for their industrial expertise in electric motors for bicycles. However, a significant part of the process, the wheel building (mounting the motor onto the rim), is already carried out in France, at the Usine à Vélo (Bike Factory) located in the Lyon region. This step is a key element in the Virvolt kit's industrial relocation strategy.

The complete assembly of the engine will be progressively transferred to France, to the Renault Refactory in Flins, an emblematic site of the circular economy and industrial innovation.This transfer will strengthen quality control and reduce the carbon footprint associated with transport.

🛠️ Target 2026 : The gradual production of the engine's main components should be established in France, thus strengthening Virvolt's industrial sovereignty in the field of...bicycle electrification.

The electric controller, which ensures smooth power management from the motor and responsiveness to the cyclist's effort, is currently imported. However, it is developed in partnership with carefully selected suppliers to guarantee perfect compatibility with the Virvolt 500 kit motor.

The batteries included with the Virvolt 500 kit, available in various capacities, are currently assembled outside of France using lithium-ion cells supplied by Samsung and LG. These batteries incorporate advanced electronic protection systems against overcharging, deep discharging, and short circuits, ensuring safety and longevity.

🔋 Target date: 2025 : Virvolt plans to launch a 36V battery assembled in France, with the eventual goal of local production of key components. This initiative aims to offer a solution for electric bike kit Completely “Made in France”, competitive, sustainable and efficient.

The Virvolt 500 kit is compatible with several popular LCD screens, including the S modelsW102 and B02N, which have been imported to date. However, our objective is to relocate this crucial component.

Thus, the assembly of the Virvolt Horizon screen in France is scheduled to begin in 2026, with a phased plan to manufacture its electronic components locally at a later stage. This development aims to strengthen industrial coherence and complete control of the electrification chain.

Alongside this industrial ramp-up, Virvolt maintains a high-performing after-sales service and a solid network of partner distributors and installers, specifically trained in the installation of the electric bike kit Virvolt 500. This organization guarantees a professional, secure and compliant installation, as well as clear and accessible technical support.

5. Conclusion

Converting your bicycle into an electric bicycle with the Virvolt 500 front wheel kit today represents a modern, efficient, and environmentally friendly solution. By 2025, faced with growing demand for sustainable and economical modes of transport, the use of a electric bike kit A quality product is becoming an essential option for urban cyclists, mountain bikers, or even occasional users.

THE electric bike kit The Virvolt 500 is also designed to fit a wide range of bicycles, whether city bikes, mountain bikes, or hybrid bikes, allowing every cyclist to benefit from the advantages of the...bicycle electrification without completely changing the equipment.

Finally, choosing a kit means opting for a turnkey solution, installed by qualified professionals, with responsive after-sales service and comprehensive support. Converting your bike with Virvolt means choosing a smooth, efficient, and sustainable transition to electric mobility.

And you? Have you already taken the plunge? Feel free to leave a comment or share this article with other cyclists seeking autonomy and freedom.