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The wheels of an electric mountain bike are essential components that contribute to the performance, durability and riding comfort of the bike. Here is a description of their function, their characteristics and the associated standards:

Function :

1. Charging support:

The wheels support the weight of the rider, the bike and any additional load, like the battery and other equipment, while riding over different types of terrain.

2. Power transmission:

They transmit the cyclist's pedaling power to the wheels, which allows the electric bike to move forward.

3. Shock absorption:

The wheels absorb shocks and vibrations from the terrain, providing ride comfort and better grip in varied conditions.

Features :

1. Size:

Electric mountain bike wheels generally come in two main sizes: 27.5 inches and 29 inches. Larger wheels generally provide better ability to clear obstacles and roll over rough terrain, while smaller wheels are often lighter and provide better maneuverability.

2. Rims:

The rims of electric mountain bike wheels can be made from aluminum or carbon fiber. They are available in different widths to accommodate different tire types and provide optimal support in different driving conditions.

3. Rays:

Wheel spokes can be straight or double butted. They are typically made from stainless steel to provide tensile and twisting strength. Some high-end models may use aluminum spokes to reduce weight.

4. Hubs:

The hubs of electric mountain bike wheels can be equipped with different types of attachment systems, such as thru-axles or quick releases. Some hubs also feature sealed bearings for increased durability and reduced maintenance.

Standards:

1. Axle size:

Electric mountain bike wheels typically use 12mm diameter thru-axles front and rear to provide better rigidity and control in harsh conditions.

2. Hub Compatibility:

It is important to choose electric mountain bike wheels that are compatible with the type of hub used on the electric bike, particularly in terms of width, axle type and fixing system.

In summary, the wheels of an electric mountain bike play a crucial role in the performance and riding comfort of the bike. With different sizes, materials and features available, it is important to choose wheels suited to the specific needs of the rider and the riding conditions encountered on the trails.