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 +10,232 Reviews

Lockt DiscGuard

Lockt DiscGuard

Stop thieves in seconds. Protect your bike, your ride, and your peace of mind.

120dB Ear-Splitting Alarm
Scares Thieves Instantly
Fits Virtually Every Bike
Motorbikes, Scooters & More
On & Off in Seconds
No Tools, No Fuss
Lasts 5–6 Months per Charge
Quick USB-C Recharge
Tough Aluminium Build
Shrugs Off Knocks & Prying
Weatherproof, Rain or Shine
Rides in Any Weather

Proudly UK Owned & Operated  •  London Support Team

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Low Stock: 15 people checking out right now.
Ships by Fri, Jul 03
🇬🇧 Free UK Shipping

Lifetime Money-Back Guarantee

Not entirely satisfied? We'll refund every penny — no quibbles, no forms, no fuss. You have our word.

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    “There's been a spike in bike thefts in me street and I park on the road most nights. Alarms on the bike itself never gave me peace of mind. This clamps onto the disc in seconds and screams the place down if anyone touches it. It's bright, it's loud, and I finally sleep better.”

    Luke B., Manchester
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    Car theft in the West Midlands is getting ridiculous. This lock is the only thing that’s genuinely worked for me. It’s already prevented two break-in attempts, both on CCTV. At this point, this should be an essential purchase around here.

    Daniel H., West Midlands
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    With the daily school run and clubs, we’d be lost without our car. This lock gives us total peace of mind for less than the price of a takeaway. Essential family protection.

    Lily T., East London

    🛡️ Description

    The DiscGuard: Thieves Hate It. You'll Sleep Easy.

    Your bike is a target. The DiscGuard makes sure it's not your bike they take.

    🔊 The 120dB Scream That Ends Theft Instantly The second a thief touches your bike, a 120dB alarm rips through the street — loud enough to turn every head and send them running empty-handed. Most thieves bolt before they even get their tools out.

    ⚡ On in 2 Seconds. Off in 1. Clamp it onto your brake disc, press down, done — alarm armed instantly, no tools, no faff. A quick turn of the key and you're gone. Security that never slows you down.

    🛡️ Built to Take a Beating Hardened alloy body shrugs off hammers, prying and brute force. They can hit it all they like — it won't budge, and it won't shut up.

    🔋 Charge It Once, Forget It for Months A single USB-C top-up (about 70 mins) lasts 5–6 months. No fiddly batteries, no nasty surprises. IP-rated and weatherproof, rain or shine.

    Fits virtually every motorbike and scooter. Slips straight into your pocket. Backed by 10,000+ UK riders who ride knowing their bike will still be there when they get back.

    🔒 What's In The Box

    Everything You Need. Straight Out of the Box.

    🔒 1× DiscGuard Alarm Disc Lock The star of the show. 120dB alarm, hardened alloy body, ready to armour up your brake disc in seconds.

    🔑 2× Security Keys One for you, one for backup (or your partner in crime-fighting). Never get caught out with a lost key.

    🟢 1× Hi-Vis Reminder Cable (FREE for Bundle orders) Loops from your lock to your handlebar so you never ride off with the lock still on. Saves your disc — and your dignity.

    ⚡ 1× USB-C Charging Cable Top up in ~70 minutes, ride protected for 5–6 months. Plug in, power up, forget about it.

    All neatly packed, all included, all ready to go. Unbox it, clip it on, and let the DiscGuard do the worrying for you.

    🔧 How To Use

    Locked & Loaded in Under 10 Seconds

    No manual needed. No tools. If you can clip a keyring, you can use the DiscGuard.

    1️⃣ Clamp It On Slot the DiscGuard onto your brake disc, lining the pin up with one of the holes. Push it firmly until it clicks shut.

    2️⃣ Press to Arm Press down to lock — the alarm arms itself instantly. That's it. Your bike is now guarded 24/7 and the lock can't be removed without the key.

    3️⃣ Attach the Hi-Vis Reminder Loop the bright cable from the lock to your handlebar. A simple reminder that saves you from riding off with it still on.

    4️⃣ Ride Off Worry-Free When you're back, just insert your key, turn, and lift it off. Disarmed and pocketed in one second flat.

    💡 Pro Tip: Fit it to the front disc where it's most visible — the brighter and more obvious your lock, the faster a thief moves on to an easier target.

    ✅ Shipping & Guarantees

    Shop with Confidence. We’ve got you covered.

    We believe the DiscGuard should speak for itself. That is why we offer a completely risk-free shopping experience.

    🛡️ 90-Day Money-Back Guarantee
    Try the Steerguard on your vehicle for a full 3 months. If it doesn't bring you the peace of mind you expected, simply return it for a full refund. No questions asked.

    🇬🇧 London-Based Support Team
    Need help? Real humans are ready to assist you. Our customer service team is based in London and available to answer any questions or concerns.
    Contact us: support@trylockt.com

    ♻️ Hassle-Free Replacement Policy
    We stand by the quality of our lock. If your product arrives damaged or breaks under normal use, we don't just apologize—we replace it. Contact us, and we will ship a brand new one to your door immediately.

    ✈️ Free Tracked Shipping (Worldwide)
    We cover the shipping costs, so the price you see is the price you pay.

    Secure Processing: Your order is packed and dispatched within 24-48 hours.
    Live Tracking: You will receive a tracking number as soon as your order leaves our warehouse.


    Delivery Time: 4-12 Business Days

    ⚠️ WARNING: BEWARE OF CHEAP FAKES The authentic DiscGuard is exclusively sold here. Knockoffs found on Amazon or TikTok are unreliable counterfeits that can fail when you need them most. Only our genuine lock uses a real hardened alloy body and a true 120dB alarm to guarantee your bike's security.
    View full details

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    THIEF BREAKS IT? WE REPLACE IT

    LONDON-BASED SUPPORT

    90-DAY MONEY BACK GUARANTEE

    • EVERY 15 MINUTES. ANOTHER BIKE GONE.

      34,000 motorbikes and scooters are stolen in the UK every year. Angle grinders. Van lifts. Two thieves and 20 seconds — and your bike is gone before you've finished your coffee.

    • THIEVES GO FOR THE EASY TARGET.

      An unprotected bike is a free bike. Thieves scan the street for the one with no lock, no alarm, no fight. Make yours the one that screams back, and they'll move on.

    • 85% OF STOLEN BIKES ARE NEVER SEEN AGAIN.

      Only around 1 in 6 stolen bikes is ever recovered. No bike back, no closure — just a claim, a rejected excess, and premiums that climb every renewal.

      ARMED IN SECONDS. LOUD IN AN INSTANT.

      Clamp it on your brake disc, press down, done — armed in under 10 seconds.

      The moment a thief touches your bike, a 120dB alarm screams the whole street awake. They panic, they run, they leave empty-handed. While your neighbour's filling in insurance claims, you're sleeping soundly.

      DiscGuard motorcycle alarm disc lock in action
      UK rider holding the DiscGuard motorcycle alarm disc lock

      BUILT TO SURVIVE UK STREETS.

      Hardened alloy body that laughs off every attack we threw at it—hammers, pry bars, brute force. All failed.

      Anti-corrosion sealed to shrug off damp British winters, and a blinding 120dB alarm that turns any tamper attempt into a public scene. Compact enough to pocket, loud and tough enough to ruin a thief's night.

        Generic Locks

      Ear-splitting 120dB alarm scares thieves off

      Hi-vis body thieves spot & avoid from across the street

      USB-C rechargeable — 5-6 months per charge

      Small enough to pocket, tough enough to protect 

      Love it or return it — 90-day peace of mind

      FITS YOUR BIKE. GUARANTEED.

      The DiscGuard fits virtually every motorbike and scooter on UK roads — from 125cc commuters to full-blown superbikes. Doesn't fit your disc? Full refund, no questions. But across 10,000+ orders, we've had just 5 come back. Your bike's covered. Your risk? Zero. Thieves' success rate? Also zero.

      FITS ANY BIKE. LASTS FOR MONTHS.

      BUILT TO FIT VIRTUALLY EVERY MOTORBIKE ON UK ROADS.

      🏍️ From 125cc commuters to full-blown superbikes — if your brake disc has holes, the DiscGuard fits.

      🔋 One USB-C charge lasts 5–6 months. No fiddly batteries, no nasty surprises.

      ⚡ Armed in under 10 seconds. Off in one. Simple enough to use every single time you park.

      ⚠️ Last year 34,000 Brits learned the hard way. Don't be next year's statistic.

      DiscGuard motorcycle alarm disc lock fitted on a brake disc

      ROCK-SOLID PROTECTION FOR YOU TOO.

      90-DAY UNFAILING GUARANTEE

      Doesn't fit? Instant refund. Faulty? Instant refund. Thief beats it? Full refund. Put it to the test for 90 days completely risk-free. One email is all it takes for a refund within 24 hours. The only person taking a gamble is the thief.

      YOUR 7 BIGGEST CONCERNS ANSWERED

      Will this fit my motorbike or scooter?

      Yes, the DiscGuard fits virtually every motorbike and scooter on UK roads, from 125cc commuters to full-blown superbikes. The locking pin is sized to fit the standard holes on almost any brake disc. It takes 10 seconds to check: if your brake disc has holes (nearly all do), you're sorted. Still unsure? Email support@trylockt.com with your bike model and we'll confirm for you.

      How quickly can I get it on and off?

      Armed in under 10 seconds, off in one. No complicated setup, no instruction manual needed. Clamp it onto your brake disc, press down to lock, and the alarm arms itself instantly. A quick turn of the key and you're gone. Simple enough to use every single time you park, but tough enough to stop thieves in their tracks.

      Can thieves actually break through this?

      The DiscGuard's hardened alloy body is engineered to resist hammers, pry bars and brute force. But its real weapon is the noise: the moment anyone touches your bike, a 120dB alarm screams the whole street awake. No security is 100% invincible, but here's the reality of UK bike crime — thieves want quiet, easy targets. A lock that's impossible to break silently and screams the second they try? They move straight on to the next bike. It's your first and loudest line of defence.

      Won't the alarm go off by accident?

      No. The DiscGuard uses a smart shock sensor: light vibration triggers 3 short warning beeps first, so a passing lorry or a nudge won't set off the full siren. Only genuine tampering escalates it to the full 120dB alarm for 15 seconds. Clever enough to know the difference between the wind and a thief.

      How long does the battery last?

      Charge it once with the included USB-C cable (about 70 minutes) and it runs for 5–6 months on a single charge. No fiddly batteries to hunt down or replace. A low-battery indicator gives you plenty of warning before it needs a top-up — plug it in overnight and forget about it.

      What if I lose the keys?

      You get 2 keys with every order — keep one on your keyring and one somewhere safe at home. Lost them both? Like any high-security device, you'd need a locksmith. But honestly, most riders are very careful with the keys that protect a bike worth thousands.

      What if it doesn't work for my setup?

      Zero risk to try it. Our 90-Day Peace of Mind Guarantee means you can test it properly on your own bike. Doesn't fit? Changed your mind? Email support@trylockt.com and we'll process your full refund, no interrogation. But honestly? Most riders don't send them back — they usually come back to buy a second one for their partner's bike.

      Can't find your answer?

      Our London support team is ready to help. Simply shoot us an email at support@trylockt.com or use our contact form, and we'll get back to you within 24 hours.

      Lockt Support Team Member