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The MSC (Motorcycle Stability Control): How it works (videos)

23 mayo, 2021

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A little over a year ago we presented you with an extensive and in-depth report on Emilio Bentabol, an industrial technical engineer, who explained in full technical detail the operation of the MSC, this incredible active safety system for motorcycles. Now we want to tell you in a more flat, but especially more graphic and visual way, with a couple of videos from Bosch, the creator of the system, where you can see the reaction of a motorcycle braking in a curve with and without MSC.

Is it an ABS, a CBS, a traction control …?

A little bit of everyone and much more. The MSC prevents the wheel from losing grip (inevitably leading to a fall) when braking in a corner with the bike leaning, and at the same time, it prevents the bike from lifting when the brakes are applied, avoiding going straight. But doesn’t ABS do that? No, the ABS is designed to brake hard with the bike upright, not tilted.

In fact, the MSC combines the ABS with the CBS, avoiding blocking and distributing the braking force from one axle to the other depending on whether they lose grip, the same as if it happens when accelerating the motorcycle with the traction control, which acts about starting the engine. This system also prevents the rear wheel from lifting when braking.

And how does it all work together? There are sensors on both axes that detect speed differences (so you know if a wheel is blocking or, on the contrary, sliding), a gyroscope to know the inclination of the motorcycle, an accelerometer that controls speed changes and everything, coordinated by a switchboard.


Last summer Bosch took us to their test track in Germany, and among various security systems we were able to test bikes equipped with MSC. Going around a circular track, we had to brake without lifting the bike, which we can assure you is a lot of ‘yuyu’.

The first attempts were made at very low speed and braking smoothly, for that of ‘¿What if it doesn’t work? ‘, increasing both speed and braking force as we believed more in the MSC. We ended up braking hard, at 80 km / h, and with the KTM Adventure very inclined, always with satisfactory results, for our peace of mind …

The MSC works and more and more motorcycles ride it, although high-end, yes. If the pioneer was the KTM 1190 Adventure, currently the entire Austrian two-cylinder range incorporates it, as well as the Ducati Multistrada, several BMWs, etc.

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