Why switch to electronic?

Electronic drivetrains are maturing with an ever-wider range of products! But ultimately, why switch to an electronic drivetrain? An advantage or a source of problems?

Here are a few answers.

Widely found on high-end bikes, electronic systems are beginning to appear on mid-range bikes too. But ultimately, why switch to an electronic drivetrain? An advantage or a source of problems — here are a few answers.

The first advantage is as simple as it is obvious. A cable and casing kit in poor condition or poorly lubricated is the primary cause of drivetrain malfunction: with electronic systems, no more cable, no more casing, no more problem!

The second advantage is slightly more subtle. Even though it is very robust, a steel cable works and therefore stretches slightly throughout its lifespan. The opposite is true for the outer casing — its design makes it flexible enough to adapt to your bike, but this means it gradually compresses. The combination of these two phenomena explains why it is necessary to regularly fine-tune your settings to correct the problem. Once again, electronic systems eliminate this issue by doing away with cables and casings entirely.

The last undeniable advantage concerns the installation of components. While it is relatively straightforward to install the various parts of a drivetrain yourself, things get more complicated when it comes to setting everything up. In the case of an electronic groupset, the electronics take care of everything. The procedure varies by brand, but in general, you always set the limit screws first, then simply place the derailleur on a specific sprocket to find your reference point, and that's it. The derailleurs adjust and align themselves according to the gear ratio automatically.

Finally, as the adjustment is purely electronic, the possibilities are endless! Depending on the brand, here are some examples of features available with electronic groupsets:

Reading and recording gear information (sprocket/chainring used) on a GPS.
The ability to modify how gears are shifted (a single control for both front and rear derailleurs, the option to change gears on the left, etc.).

Despite all these advantages, some may still have reservations. The most common concerns relate to water resistance and battery life. As for water resistance, these systems have been proving themselves for over 20 years now — they are even found in Cyclocross and MTB where conditions can be extreme. The reliability of the components and connectors is therefore well established. As for battery life, depending on the version, manufacturers claim between 1,000 and 2,000 km — more than enough to ride from Roubaix to Nice without any issues!

So, are you convinced by electronic groupsets?

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