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Everything you need to know about bike transmission: brands, characteristics and specific features

The bike transmission is a set of central bike parts that directly influences performance, comfort and handling. It brings together all the components that transmit the power from your legs to the rear wheel: chainrings, sprockets, chain, derailleurs, and speed controls. Whether you are a hiking enthusiast, a mountain biker, or a road enthusiast, choosing the right transmission is essential. Let's discover together the main brands, their characteristics, and what sets them apart.

The major brands of bicycle transmissions

Shimano


Shimano is an essential reference in the world of cycling. The Japanese brand offers transmissions for all types of bikes, from entry-level models to high-end solutions for professionals.

Main features:

Recognized reliability
Wide range suitable for all budgets
Hyperglide+ technology for smooth and fast gear changes

Examples of famous groups:

Deore (MTB)
Ultegra (road)
GRX (gravel)

SRAM


The American SRAM is a major player, particularly appreciated for its technical innovations and minimalist design.

Main features:

Wireless systems (eTap)
1x transmission (single chainring) for simplicity and lightness
Wide development range with Eagle MTB cassettes

Examples of famous groups:

NX Eagle (MTB)
Force eTap AXS (road)
Rival XPLR (gravel)

Campagnolo

Campagnolo, a historic Italian brand, mainly targets road cyclists with high-end products combining aesthetics and performance.

Main features:

Sleek design
Premium materials like carbon fiber
EPS electronic transmissions for exceptional precision

Examples of famous groups:

Chorus
Great Record
Ekar (gravel)

MicroSHIFT


Less known but increasingly present, MicroSHIFT offers reliable transmissions at an affordable price, ideal for cyclists wanting an alternative to the dominant brands.

Main features:

Excellent value for money
Compatibility with Shimano and SRAM equipment
Ease of use

Examples of famous groups:

Advent X (MTB)
Centos (road)

Key elements to consider for a bike transmission


Number of speeds: The current trend is for 11 or 12 speed transmissions, offering a wide range to adapt to all terrains.
Single chainring or double chainring:
Single chainring: Ideal for simplicity and maintenance, very popular in mountain biking and gravel.
Double chainring: More versatile for road cyclists looking for an extended development range.
Mechanical or electronic transmission: Electronic systems, although expensive, offer unparalleled precision and reliability.

How to choose your bike transmission ?


Use: Your practice (road, mountain biking, gravel) determines your needs in terms of robustness, speed range and fluidity.
Budget: Transmissions vary greatly in price. Shimano and MicroSHIFT offer affordable options, while SRAM and Campagnolo often target the high end.
Maintenance: Simple models, such as single-plate transmissions, reduce maintenance constraints.

In conclusion

The bike transmission plays a crucial role in your driving sensations and performance. Whether you're upgrading your current bike or choosing a new model, it's essential to take the time to understand the differences between brands and their specificities. With a suitable transmission, each pedal stroke becomes a renewed pleasure. So, are you ready to move up a gear ?