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Mountain Bike Bicycle Rear Axle Assembly Diagram

Mountain biking is a thrilling and adventurous sport that requires the use of a sturdy and reliable mountain bike. The rear axle assembly is one of the critical components of a mountain bike that ensures smooth and efficient functioning of the bike. In this article, we will discuss the mountain bike bicycle rear axle assembly diagram and how it works.

What is a Rear Axle Assembly?

A rear axle assembly is a combination of several components that work together to support the rear wheel and transfer power from the pedals to the rear wheel. The rear axle assembly consists of the following components:

Rear Axle Assembly Diagram

Rear Axle

The rear axle is a long metal rod that connects the rear wheel to the bike frame. The rear axle is responsible for supporting the weight of the rider and the bike and transferring the power from the pedals to the rear wheel.

Rear Axle

Bearings

Bearings are small metal balls that are placed inside the hub of the rear wheel. These bearings reduce friction and allow the wheel to spin freely. Bearings are essential for the smooth functioning of the bike.

Bearings

Hub

The hub is the central part of the rear wheel that houses the bearings. The hub is connected to the rear axle and allows the wheel to rotate freely.

Hub

Cassette

The cassette is a set of gears that are attached to the rear hub. The cassette allows the rider to change gears and adjust the resistance while pedaling. The cassette consists of several cogs of different sizes that can be swapped out and replaced.

Cassette

Derailleur

The derailleur is a mechanism that moves the chain between the different cogs on the cassette. The derailleur is controlled by the shifters on the handlebars and allows the rider to change gears while pedaling.

Derailleur

Chain

The chain is a series of metal links that connect the pedals to the rear wheel. The chain transfers power from the pedals to the cassette and allows the rider to move the bike forward.

Chain

Conclusion

The rear axle assembly is a critical component of a mountain bike that ensures the smooth functioning of the bike. Understanding the different components of the rear axle assembly and how they work together can help riders diagnose and fix any issues that may arise. Proper maintenance of the rear axle assembly can help prolong the life of the bike and ensure a safe and enjoyable ride.

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