LITELOK X1
Great security lock - Highly recommended
"Great lock for your e-bike! It’s highly secure and extremely lighter compared to the competition, very user friendly for commutes. I’m very happy with the purchase so far, and still got my e-bike with me: I guess it’s a great deterrent for thieves."
Davide L.
Great Lock
"This is a brilliant, well considered product. The lock is very light for its type and is beautifully constructed. Overall, very happy with the purchase - highly recommended!"
Mehrdad M.
Loved it so much I bought another one
"Bought one of these as had two bikes stolen from work even with a D lock. This feels genuinely more chunky and leaves less space (but enough) on racks to secure. As I live in a high theft zone I then decided to buy another one for a family member as I was so impressed."
Helen H.
Made in Britain
Built with Barronium®
Awarded World's Best Lock 2026
Anti-Angle Grinder
Accreditation
Tried & Tested by Independent Experts
Josh Patterson, The Guardian
"The Litelok X1 is the best overall bike lock we tested. It balances real-world grinder resistance with everyday usability and it is relatively low-weight. This makes it ideal for e-bike riders, daily commuters and anyone locking up in theft-prone areas."
Ryan Winiata, wired.com
"Litelok’s trusty X1 offers serious security and impressive versatility for a wide range of users, bikes, and racks. As an angle-grinder-resistant U-lock, the X1’s security scores are among the highest available."
Carl Ellis, thebestbikelock.com
"The best all round bike lock in 2025 is still the Litelok X1. This is because it’s the anti-angle grinder bike lock that provides the best balance between security, practicality and price, for those cyclists that need a higher level of protection."
Jeremy Benson, GearJunkie
"The LITELOK X1 masterfully balances security, price, and performance. In addition to having a slightly larger locking area than most angle grinder-resistant locks, it’s among the lightest and easiest on the wallet."
Mike Stead, road.cc
"The Litelok X1 is one of the lightest Diamond-rated D-locks around. Even more impressive is that for the 1.7kg weight it's a full-size lock with large internal locking dimensions. And it was the cheapest lock to survive our angle grinder test by a long way."
Warren Rossiter, Bike Radar
"The best-value angle-grinder resistant lock we’ve ever tested. When I tried to cut it with an angle grinder, it took 4min 38secs (including disc changes) to cut through one side of the X1’s shackle, which exceeds its premium rivals and the Sold Secure Powered Cycle Diamond rating."
Success Stories
LITELOK X1 Saves Cowboy Bikes in London #47
On November 1st in London, the LITELOK X1 successfully protected two Cowboy e-bikes from an attempted theft involving an angle grinder. Roman shared with us how the lock thwarted the theft, saving ...
LITELOK X1 Saves E-Mountain Bike in Edinburgh #108
Emma’s E-mountain bike in Edinburgh was the target of an attempted theft, but thanks to her LITELOK and other security devices, the bike stayed safe. Her story shows why a multi-layered security ap...
LITELOK X1 Saves E-Bike in Manchester #87
When thieves broke into Mitch’s Manchester apartment block and targeted his £1850 e-bike, they came prepared. They cut into the bike locker, spun his 36kg bike around, and tried everything they cou...
What Makes the World's Best Bike Lock?
LITELOK X1 is the only full-sized armoured D-lock on the market and contains a host of clever design features that make it easy to use and carry so you can keep your bike secure against the most determined bike thieves.
Lock Cylinder
X1 features a high-quality lock cylinder which is durable and pick-resistant. The keyhole is protected from dirt, dust and moisture with our innovative self-sealing silicone keyhole cover.
Reflective Strips
X1 locks are finished with Quartz White retro-reflective vinyl strips along the lock shackle and on the X's at each end. The reflective strips flash in headlights to keep you safe and seen.
Anti-Rotation
Unique anti-rotation feature protects against twisting attacks and single cuts
Easy to Carry
X1 is compatible with our innovative X1 tactical Mount and Twist & Go Mount which means you can attach the lock to your frame with ease. Both mounts are sold separately.
Armoured with Barronium®
Barronium® fused composite armour repels angle grinder attacks and eats angle grinder discs.
LITELOK X1
Tested to Destruction
Tested against the best-selling D-locks on the market, LITELOK X1 is at least 5 times more resistant to angle grinder cuts. Additionally, X1 requires multiple discs to cut and due to its anti-rotation system, needs to be cut on both sides to remove.
LITELOK X1
Barronium®
Barronium® is a fused composite armour that offers unparalleled angle grinder resistance without adding extra weight. It is a super hard ceramic composite material that repels angle grinder attacks and turns the grinder's energy and force in on itself. Continuous cutting wears down the grinder discs, batteries and ultimately the grinder motor itself.
LITELOK X1
Frequently Asked Questions
Can X1 be cut with an angle grinder?
Unfortunately, all locks can be cut with the right tools and enough time. The exact time it takes depends on a number of factors like the power of the angle grinder, the type of discs used and the skill of the user. During our own and independent tests we found that X1 is at least 5 times more angle grinder resistant than the current leading D-lock as well as needing multiple discs to cut it.
How much does LITELOK X1 weigh?
LITELOK X1 weighs approximately 1.7kgs or 3.7lbs.
What's the difference between X1 Bike and X1 Moto?
There is no difference between the Bike and Moto versions. They are exactly the same locks. The reason why we differentiate them is to show how X1 can be used as an effective security device for all types of bicycles and motorcycles.
What's the difference between X1 and X3?
LITELOK X1 and X3 are both highly resistant to angle grinder cuts. This resistance comes from the layers of Barronium® that each lock features.
X3 uses a higher amount of Barronium® meaning it has a higher resistance to angle grinder cuts than X1.
X1 has at least 5 times the resistance to angle grinder cuts compared to the best selling U-locks whereas X3 has at least 20 times the resistance.
What is the locking circumference of LITELOK X1?
LITELOK X1 has a full-sized locking circumference of approximately 101 x 196mm meaning you can lock more bikes in more places than other armoured u-locks.
Can I attach LITELOK X1 to my bike?
LITELOK X1 is compatible with our innovative X1 Tactical mount for mounting the lock on your bike frame. The X1 Tactical Mount fits a wide variety of bikes and e-bikes ensuring your LITELOK X1 is held securely even the roughest of terrain.
X1 is also compatible with the Twist & Go mount.
Both of the X1 mounts are sold separately.
Has LITELOK X1 been independently tested?
Yes, it has been thoroughly tested by independent testing bodies Sold Secure and ART. Both locks achieve Sold Secure Powered Cycle and Bicycle Diamond levels (the highest ratings available) and ART4.
(Note: Sold Secure is owned and administered by the Master Locksmiths Association (a not-for-profit trade association) and works from purpose built laboratories in the UK.
What is LITELOK X1 made from?
LITELOK X1 is built with Barronium®, our patented anti‑angle grinder material, applied as a permanently fused composite armour to provide maximum cut resistance and protection from angle grinder attacks. The Barronium® layer repels angle grinder discs.
The X range comprises of three layers of protection:
1. A fine-grain, hardened high-tensile steel core providing inner strength against multiple tool attacks
2. Barronium® anti-angle grinder armour, permanently fused to the core to repel angle grinder discs
3. A plant-based eco-rubber outer layer is soft to touch, so it won't damage your frame.
Who invented Barronium®?
Our founder and CEO, Professor Neil Barron, supported by Innovate UK, worked closely with some of the world’s leading material scientists for over 5 years to develop Barronium®, our ground breaking angle grinder resistant technology.
What is the warranty?
LITELOK X1 is sold with a 3 year warranty to provide peace of mind and covers mechanical or operational faults through normal usage. The warranty does not cover aesthetic wear and tear. It is important to register your lock and keys with us so that in the event that you lose your keys, replacements can be ordered.
- ASAndrew S.Verified BuyerWhat do you use the lock on? MotorcycleWhat do you like about this lock? Great Quality, Angle Grinder Resistance, Portable2 hours agoWhat do you use the lock on? MotorcycleWhat do you like about this lock? Great Quality, Angle Grinder Resistance, PortableReviewingLITELOK X1Rated 5 out of 5 starsExcellent on Honda XL750 Transalp
Fits through front wheel and brake discs neat and tidy!
- OPOleh P.Verified BuyerWhat do you use the lock on? E-ScooterWhat do you like about this lock? Great Quality, Angle Grinder Resistance, High Security, Portable18 hours agoWhat do you use the lock on? E-ScooterWhat do you like about this lock? Great Quality, Angle Grinder Resistance, High Security, PortableReviewingLITELOK X1Rated 5 out of 5 starsHervorragender Schutz und erstklassige Qualität
Ein großartiges und extrem solides U-Schloss. Der Litelok X1 macht einen absolut zuverlässigen Eindruck: Der Bügel ist massiv und der Schließmechanismus läuft butterweich ohne jegliches Spiel. Die Verarbeitungsqualität und die Materialien sind auf höchstem Niveau. Es ist zwar kein Leichtgewicht, aber für das perfekte Gefühl von Sicherheit und den optimalen Schutz des Scooters nimmt man das Gewicht gerne in Kauf. Absolut empfehlenswert!
- FCFabio C.Verified BuyerWhat do you use the lock on? Touring BikeWhat do you like about the lock? Great Quality, Value for Money, High Security, Angle Grinder Resistance, PortableYesterdayWhat do you use the lock on? Touring BikeWhat do you like about the lock? Great Quality, Value for Money, High Security, Angle Grinder Resistance, PortableReviewingLITELOK X1 MOTORated 5 out of 5 starsLitelok X1: Top-tier security for my Ducati Multistrada 1200
I purchased the Litelok X1 to protect my Ducati Multistrada 1200, and I couldn't be happier with my choice. It is an extremely robust disc lock/U-lock that instantly gives you a feeling of maximum reliability against any tampering attempt.
Despite its heavy-duty build, it is surprisingly easy and practical for daily use. It fits onto the wheel in just a few seconds without ever being cumbersome. I was looking for uncompromised protection for my Multistrada, and the Litelok X1 fully delivered. I am genuinely thrilled with this purchase and highly recommend it to all fellow riders!
- MKMalcolm K.Verified BuyerWhat do you use the lock on? E-Bike3 days agoWhat do you use the lock on? E-BikeReviewingLITELOK X1Rated 5 out of 5 starsLITELOK for a bike.
Looks very robust excellent quality can’t wait to use it off down to Cornwall in a couple of weeks time to give it a workout.
- CHCraig H.Verified BuyerWhat do you use the lock on? Touring BikeWhat do you like about the lock? Angle Grinder Resistance, Portable, Made in Britain3 days agoWhat do you use the lock on? Touring BikeWhat do you like about the lock? Angle Grinder Resistance, Portable, Made in BritainReviewingLITELOK X1 MOTORated 5 out of 5 starsPeace of mind
After my previous bike was stolen in February whilst having 4 locks on (different brands) I've since become very paranoid when my new steed gets a run out...Bought a couple of Oxford screamer products for noise mainly but my X1 is the first piece to go on the bike, so glad I bought one - just wished I'd had the funds to buy the big mister X3...Maybe next time, thanks again for the security blanket I needed
- ESEthan S.Verified BuyerWhat do you use the lock on? Mountain Bike, Road Bike, Commuter/City BikeWhat do you like about this lock? Great Quality, High Security3 days agoWhat do you use the lock on? Mountain Bike, Road Bike, Commuter/City BikeWhat do you like about this lock? Great Quality, High SecurityReviewingLITELOK X1Rated 4 out of 5 starsAlmost perfect
This lock is great. The weight is lower than the comparative kryptonite with away better rubber protection and so far a smoother locking actuation. For the price of this lock it's very disappointing to see that the reflector stickers on this started coming off during the first use. On top of that, comparative brands ship with the lock mount included.
- LSLes S.Verified BuyerWhat do you use the lock on? Touring BikeWhat do you like about the lock? Great Quality, Value for Money, Lightweight, Made in Britain, Angle Grinder Resistance5 days agoWhat do you use the lock on? Touring BikeWhat do you like about the lock? Great Quality, Value for Money, Lightweight, Made in Britain, Angle Grinder ResistanceReviewingLITELOK X1 MOTORated 5 out of 5 starsGood enough for me
Well built, handy and lightweight for my needs,
I can go through my disc and wheel spokes on my triumph speed 400, or I can wrap it around the outside and leave a bit of room to attach it to something.
- SDSteve D.Verified BuyerWhat do you use the lock on? ScooterWhat do you like about the lock? Great Quality, Angle Grinder Resistance, High Security1 week agoWhat do you use the lock on? ScooterWhat do you like about the lock? Great Quality, Angle Grinder Resistance, High SecurityReviewingLITELOK X1 MOTORated 5 out of 5 starsX1 Moto
Ordered a X1 Moto, gives me peace of mind now, knowing it's not easy to cut through.
Delivery was quick and service was excellent.
- SSSam S.Verified BuyerWhat do you use the lock on? Sports BikeWhat do you like about the lock? Great Quality, Angle Grinder Resistance, High Security, Made in Britain, Value for Money1 week agoWhat do you use the lock on? Sports BikeWhat do you like about the lock? Great Quality, Angle Grinder Resistance, High Security, Made in Britain, Value for MoneyReviewingLITELOK X1 MOTORated 5 out of 5 starsAbsolutely love this lok!
Great bit of kit.. after researching and reading the write ups I found litelok and couldn’t be happier… easy to use, extremely strong, it’s great you can register your keys and looks good too!
Feels more secure in the garage and out!
- ISIan S.Verified BuyerWhat do you use the lock on? Touring BikeWhat do you like about the lock? Angle Grinder Resistance, Great Quality, High Security1 week agoWhat do you use the lock on? Touring BikeWhat do you like about the lock? Angle Grinder Resistance, Great Quality, High SecurityReviewingLITELOK X1 MOTORated 5 out of 5 starsSafe at last.
Strong sturdy and quality looking bike lock.
Feel much safer leaving my pride and joy while parked up.
