The motorcycle lock, the best way to protect your two-wheeler

The best motorcycle anti-theft setup does not exist on its own: it is a combination. A quality mechanical lock, secured to a fixed point, slows the thief down and forces him to expose himself. A GPS tracker alerts you from the first vibration and lets you locate the bike if it goes anyway. Either one without the other leaves a gap; together, they cover the before, the during and the after of a theft.

What is a motorcycle lock really for?

A motorcycle lock is there to make the theft slower, noisier and riskier for the thief, not to make it impossible. That distinction is crucial: chosen well and used well, it takes your bike from "easy target" to "annoying target", and plenty of thieves then move on to the next one.

The context gives the measure of the problem: 15,975 two-wheeler thefts were reported and compensated in 2025 according to GIE Argos (the French insurers' vehicle body), and the real estimate rises to 55,000 or 60,000 thefts a year once Mutuelle des Motards figures are added, that is one two-wheeler stolen every 10 minutes. Another received idea to put away: theft does not only happen on the street. Around half of thefts take place in spots people consider safe, shared garages and residential basements first among them.

Against that, a good anti-theft setup works on three fronts: visual deterrence (a visibly protected bike attracts less attention), delay (each layer of protection adds time and noise) and the alert (knowing something is happening, at the moment it happens). Mechanical locks excel at the first two. For the third, you need something connected.

What are the main types of motorcycle anti-theft device?

There are four broad families: mechanical locks, disc locks with or without an alarm, standalone alarms and GPS trackers. Each has a precise role, and none covers the whole spectrum on its own.

You can see it in the table: mechanical and connected are not in the same category, they complement each other. That is exactly the logic set out in our article on why you should combine a chain lock with a GPS tracker, and if you are still torn between the two approaches, this comparison of GPS tracker versus mechanical lock lays the choice out plainly.

Does a certified lock really resist an angle grinder?

No, and it is the most stubborn myth on the anti-theft shelf: against a modern battery-powered angle grinder, a U-lock carrying the SRA rating gives way in around 15 seconds per cut. The "2 minutes of resistance" you hear everywhere comes from the certification test, which is carried out with a hand saw. Yet the average observed duration of a theft is 2 minutes 30: no thief attacks a bike with a handsaw.

Does that mean you should throw your U-lock away? Absolutely not. Secured to a fixed point, it keeps two decisive virtues: it prevents a lift by hand (with nothing anchoring it, a theft takes under a minute) and it forces the thief to get a tool out, throw sparks, make noise and expose himself. Every second gained counts.

The takeaway is that mechanical resistance alone is no longer enough. A properly equipped thief will always cut through in the end. The real question becomes: will you know while he is cutting, or three hours later? That is where a real-time alert changes the nature of the problem.

How do thieves actually go about it?

In 90 to 95% of cases, according to Mutuelle des Motards and geolocation operators, the bike is stolen by lift-and-load: the thief never starts it. The method is well drilled: he lifts the bike, breaks the steering lock, loads it into a van, then hides it in a stash spot while he waits to see whether it is connected. Understanding that scenario is understanding why some anti-theft devices miss their target.

A disc lock on its own? It leaves with the bike, in the van. An audible alarm? It screams in an empty street or a deserted basement, and nobody acts, as shown by the theft techniques most used by organised crews. The shared weakness of these protections: they assume someone attentive happens to be next to the bike at the right moment.

The decisive factor is reaction time. After 48 hours, the odds of finding the bike drop tenfold according to law enforcement data. Conversely, an alert received at the first vibration means the police can be told immediately, with a real-time position. Knowing what to do in the first 5 minutes of a theft is often the whole difference between a recovered bike and an insurance claim.

What does a GPS tracker change compared with a classic lock?

A GPS tracker changes the balance of power: instead of enduring the theft and discovering it in the morning, you are warned during the attempt, and most of the time it stops right there. That is measurable deterrence, not a marketing line.

And when the bike is actually moved, the vast majority are recovered thanks to real-time tracking. Compare that with the national rate: without a tracker, only 24.3% of stolen two-wheelers are recovered according to the Baromètre Argos 2025, meaning 3 bikes in 4 are lost for good. A modern GPS tracker does not settle for a dot on a map now and then either: where a classic beacon sends a position every 5 minutes, a unit like GeoRide sends up to 10 per second through a corner, with accuracy down to less than a metre.

GeoRide's founder lived this story before turning it into a product. In 2017, Thomas had his bike stolen on the morning he was setting off on a road trip: the lock secured to a fixed point, the alarmed disc lock, all of it cut through. The alarm was useless, he lived two floors above and heard nothing. The spark: use the phone we all carry in our pocket to raise the alarm, instead of a sound that never carries. GeoRide launched its first connected solution in 2018 on that simple idea.

A lock slows the thief down. GeoRide tells you he is there.An alert on your phone from the first vibration, wherever you are.

Protect my bike

How do you combine protections for a complete defence?

A good anti-theft strategy works in layers: a mechanical anchor to block the lift, a GPS tracker for the alert and the location, and good parking habits so you are not handing the bike over. Here, in practice, is the combination that covers the most common theft scenario.

First layer, the mechanical one: a U-lock or a chain linking the bike to a fixed point, rear wheel for preference. The aim is to rule out a theft "by hand" and force the use of tools. Second layer, the connected one: a tracker fitted discreetly under the seat, invisible to the thief, which detects vibrations and movement and alerts you in real time. To pick the right one, our complete guide to motorcycle GPS trackers sets out the criteria that genuinely matter. Third layer, the context: vary your habits, avoid leaving the bike for weeks in the same visible spot, and stay alert even in a private garage, since half of thefts happen in those places people consider safe.

A word on insurance to finish: many theft policies require a certified mechanical lock, and a GPS tracker can reduce the premium or the excess with some insurers. Combining the two therefore ticks the administrative box as well as the security one.

What GeoRide brings here

GeoRide is the connected layer of this defence: a unit hidden under the seat, wired to the battery, fitted in 5 minutes and on watch permanently. At the slightest vibration or suspicious movement, the alert goes to your phone by notification, call or email. Even with the wires torn out, the internal battery takes over for hundreds of kilometres. And if the theft does happen, post-theft Assistance, available 24/7 in mainland France and included in the subscription, calls you back in under 5 minutes and coordinates the response with the police, real-time position in hand.

Two units cover every need: the GeoRide 3s (€299, or on rental at €14.99/month with no commitment), with underground radar detection and automatic phone recognition, and the GeoRide mini (€199, or €9.99/month), which concentrates on the essentials of protection. To choose between the two, our comparison GeoRide mini or GeoRide 3s covers the question in full. Want some noise on top? On the GeoRide 3s, the Live Alarm adds a patented 110 dB siren you can trigger remotely from the app, wherever you are.

"The aim with GeoRide is to act in an emergency, but to be at ease all the rest of the time." (Thomas, GeoRide founder)

Frequently asked questions

What is the best anti-theft device for a motorcycle?

The best motorcycle anti-theft setup is the combination of a mechanical lock secured to a fixed point and a GPS tracker with real-time alerts. The mechanical lock slows the thief down and prevents a lift by hand, the tracker warns you during the attempt and lets you locate the bike if it goes. No single device covers all three moments of a theft.

Does a certified U-lock resist an angle grinder?

No: against a battery-powered angle grinder, a U-lock carrying the SRA rating gives way in around 15 seconds per cut. The "2 minutes" often quoted correspond to the certification test, carried out with a hand saw. The U-lock is still useful for blocking a lift and forcing noise, but it needs to be backed up by a real-time alert.

Does a GPS tracker replace a mechanical lock?

No, the two complement each other. The GPS tracker does not physically block the bike: it detects, alerts and locates. The mechanical lock blocks and delays, but warns nobody. It is the combination of the two that covers deterrence, delay and real-time reaction all at once.

Which motorcycle lock should I choose for my insurance?

Many theft policies require a certified mechanical lock: check the conditions set out in yours. A GPS tracker can also reduce the premium or the excess with some insurers. Remember to report incidents too: according to the Observatoire GeoRide 2026, 40.3% of theft incidents are never reported to the insurer.