Motorcycle phone mounts: 5 mistakes to avoid before you ride

Five mistakes come up again and again with motorcycle phone mounts: buying one without checking it fits your handlebars and your case, setting an angle that hides the instruments, skipping the vibration damper that protects the camera, rushing the fitting, and touching the screen while you ride. The first four take minutes to put right. The last one costs €135 and 3 points off your license in France.

Why is compatibility the first thing to check?

Because a mount that doesn't fit your handlebars or your case ends up in a drawer, or worse, on the road at 90 km/h. Most handlebars measure 22 mm across (7/8 inch), tapered bars go up to 28 mm in the middle, and some customs are wider still. The easy method: run a tape measure around the bar and divide the circumference by 3.14. That gives you the exact diameter at the spot where the mount will sit.

On the phone side there are two families: mounts built around a dedicated case, which means a specific case for every phone model, and universal systems, either clamp or magnetic. If you ride with a protective case on, check it clears the mount or that an adapter exists. On some bikes the question goes well beyond the handlebars: our comparison of a BMW phone mount or a universal solution shows what model-specific cockpits can throw at you.

Sportbike with low clip-ons, bars already crowded? Look at other mounting points: the triple clamp, a mirror stem or the bar clamps. A quick look at what's on offer:

Mounting point	Strong points	Watch out for
Handlebar clamp	Universal, solid, adjustable	Bar diameter, bulk
Triple clamp	Perfect for sportbikes with clip-ons	Diameter of the center nut, viewing angle
Mirror stem	Simple, cheap	Vibration is stronger at the end of the stem
Magnetic mount	Works one-handed, gloves on	Pick a model built for motorcycles

One last move before you pay: turn the bars lock to lock with the mount pictured in place. If it hits the tank or the fairing, find another spot. Quick-release systems also make life easier when you're on and off the bike all day.

What viewing angle keeps your eyes on the road?

The right angle puts the screen in your peripheral vision without hiding the instruments or making you drop your head. A badly aimed mount pulls your eyes off the road half a second too long every time you glance at it, which is exactly what a mount is there to prevent.

Your riding position changes everything. Tucked down on a sportbike, you're not looking at the same place as when you sit upright on an adventure bike or a naked. So the only setting you can trust is the one you make for real: get on the bike, helmet on, visor down, and tweak the tilt until you can read the screen by moving your eyes alone. An adjustment made standing next to the bike almost always needs doing again.

Think about glare too. In midsummer, a screen pointed at the sky is unreadable. Go for a mount whose ball joint or adjustment screws stay reachable once it's fitted: you can then fix the angle in ten seconds at a stop, depending on where the sun is. And turn screen brightness up to maximum before you set off, since most phones dial it back to save battery.

Can vibration really damage your phone?

Yes, and this isn't forum folklore: Apple confirmed it in an official note published in 2021. The high-frequency vibration coming off the engine, especially on singles and twins, can degrade the camera's optical image stabilization (OIS) and its autofocus. The phone still works, but photos go soft, for good. Apple spells it out and recommends a damped mount for motorcycle use.

The fix is simple: a mount with a damping system, silicone bushings or a dedicated anti-vibration module, that isolates the phone from what the chassis is doing. Some brands build it in, with others it's an accessory you add between the mount and the fixing. On a single or a big twin that shakes hard, that accessory isn't optional.

Magnetic mounts designed for motorcycles do well here: French brand Shapeheart, for one, built its range around a magnetic pouch: no rigid jaws clamp the phone, which spares it part of what comes up through the bars, and you can work the pouch one-handed, gloves on. We went through the models worth your money in our pick of magnetic smartphone mounts.

One last word on weather: a phone likes neither driving rain at 110 km/h nor the full August sun. Waterproof pouch for the first, a stop in the shade for the second, because an overheating phone shuts the screen down, and your navigation with it.

How do you avoid a mount that lets go mid-ride?

A solid install comes down to three things: the right spacer, the right tightening, and cables that get in the way of nothing. The best mount on the market is worth nothing if it swivels round the bars at the first speed bump.

Spacers first: they make up the gap between the clamp diameter and your bar. The wrong spacer leaves play, and the mount pivots under vibration even with the screws done up hard. Fit the one that matches the diameter you measured, then check by hand that nothing shifts before you trust it with your phone.

Tightening next: too hard and a plastic or nylon clamp cracks; too soft and an aluminum clamp slips. Go gradually, in a cross pattern where there are several screws, until the mount no longer turns. Check it again after your first few rides, since vibration undoes anything fitted in a hurry.

Cables last, the thing riders forget most. A charging cable routed badly can snag on the throttle or the levers, and at that point we're past a broken phone. Once everything is on, turn the bars lock to lock: no cable should pull tight or get pinched. Tie them along the factory harness with cable ties, well away from the engine and anything that moves.

Can you touch your phone while riding?

No, never, and the law leaves no room for debate: holding a phone in your hand while driving is banned by French road traffic law, on a bike as in a car. Even sitting in its mount, tapping the screen on the move is still handling it, with the same risk: half a second of inattention at 80 km/h means 11 meters covered blind. And since 2020, handling a phone alongside another offense can get your license suspended.

The right method fits in one sentence: everything gets set up at a standstill, nothing gets touched on the move. Before you pull away, punch in the destination, start the navigation, kill the notifications you don't need. On the road, instructions come through the intercom by voice, and calls can wait. Need to change your route? Pull over somewhere safe, engine off, then go again. No shortcut is worth skipping that two-minute stop.

That's exactly where a good ecosystem earns its keep: the fewer reasons you have to touch the screen, the more the mount does its real job, a display you look at and never handle.

What GeoRide brings to this

A well-chosen mount settles the display question; GeoRide settles the handling one. The GeoRide device and app record every ride automatically: nothing to start, nothing to stop, the whole ride is waiting for you when you arrive, with the route, the weather and the stats. No more reaching for the screen to start a recording, the way most ride recording apps want you to.

"It drove me mad thinking we were using sound to flag a problem, when we all have a phone in our pocket." (Thomas, GeoRide founder)

This idea of the phone doing the work on its own goes a long way. With the GeoRide 3s, Automatic phone recognition disarms the protection as you walk up to the bike and arms it again after 30 seconds of inactivity, without you opening the app. Go down while riding and the emergency call goes out automatically in under 2 minutes in mainland France, even if your phone is broken or dead: the tracker runs on its own. And all the way through the ride, the tracker watches over the bike while your loved ones can follow your position, only if you've decided they can. To pick the GPS tracker that suits how you ride, our GeoRide mini or GeoRide 3s comparison covers the ground.

FAQ

What's the standard diameter of motorcycle handlebars?

22 mm (7/8 inch) on most motorcycles, 28 mm in the middle for tapered bars, the ones people call fatbars. To find yours, measure the circumference where the mount will go and divide by 3.14. Always measure before you buy: a clamp with the wrong diameter will never hold properly.

Can motorcycle vibration damage my phone?

Yes: Apple confirmed in 2021 that the high-frequency vibration of a motorcycle engine can permanently degrade the camera's optical image stabilization. The risk is higher on singles and big twins. A mount with damping, silicone bushings or an anti-vibration module, cuts the problem right down.

Are you allowed to use your phone for navigation on a motorcycle?

Yes, as long as it sits in a mount and you never hold it in your hand while riding. Handling it in traffic costs €135 and 3 points off your license in France. Set the navigation up at a standstill and let the voice instructions do the rest.

Can you wear earphones to listen to navigation on a motorcycle?

No, wearing earphones or earbuds while driving has been banned in France since 2015, on a bike as in a car. The legal answer is a Bluetooth intercom built into the helmet, whose speakers don't sit in your ear. It plays the navigation instructions and handles calls by voice.

Is a magnetic mount safe enough for a motorcycle?

Yes, as long as you pick a model built for motorcycles, with magnets sized for riding, like the ones from French brand Shapeheart. Small magnetic mounts meant for cars won't cut it. On broken surfaces or off-road, adding a safety strap is still a good habit.