LITELOK X1
★ Get 50% OFF the X1 Tactical Mount with every LITELOK X1 order.
Made in Britain
Built with Barronium®
Awarded World's Best Lock 2024
Anti-Angle Grinder
Accreditation
Great Lock
Lock exceeds expectations. Fits a fat tire e-bike easily. Very sturdy! Punches way above it's weight class price wise.
Mark P.
Heavy Duty
Love this thing. Heavy duty and gives me piece of mind when locking it up outside. It also comes with a pouch I use before storing it in my pannier bag.
Nelson O.
Best security to weight ratio hands down
These locks are legitimately impressive. Best security to weight ratio I could find. Happy with the quick shipping and size and performance so far.
Michael R.
What the experts say...
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 Bike in New York #40
Willy, a dedicated Uber Eats delivery rider in Manhattan, relies on his Arrow e-bike for work. In a city where bike theft is rampant—especially with highly sought-after models like the Arrow—Willy ...
LITELOK X1 Saves Bike in Minnesota #39
Steven, a cyclist from Minneapolis, Minnesota, recently shared how the LITELOK X1 saved his $2,600 bike from being stolen. "The bike was locked to a wall-mounted rack, and no other lock was used,...
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 (both sold separately) mount which means you can attach the lock to your frame with ease.
Armed 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 U-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.
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 LITELOK X1 made from?
LITELOK X1 is built with Barronium®, a patent-pending anti-angle grinder material that is applied as a permanently fused composite armour, providing 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.
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.
- ALAnthony L.Verified BuyerWhat do you use the lock on? Cargo BikeWhat do you like about this lock? Great Quality, Value for Money, High Security, Angle Grinder Resistance10 hours agoWhat do you use the lock on? Cargo BikeWhat do you like about this lock? Great Quality, Value for Money, High Security, Angle Grinder ResistanceRated 5 out of 5 starsGreat quality, not too heavy for its level of protection
This Litelock doesn't weight more than my previous Krypto but it's more secure.
Fits well in my u-lock basket
Hope noone will try to test it's resistance though!
- PBPritesh B.Verified ReviewerWhat do you use the lock on? MotorcycleWhat do you like about this lock? Great Quality, Angle Grinder Resistance, Lightweight, High Security15 hours agoWhat do you use the lock on? MotorcycleWhat do you like about this lock? Great Quality, Angle Grinder Resistance, Lightweight, High SecurityRated 5 out of 5 starsFinally, a Bike Lock That Gives Me Real Peace of Mind!
I haven’t been this excited about bike security ever! 🚴♂️ The LitLock feels like a proper protective lock — solid, well-built, and confidence-inspiring. Since using it, I feel so much more secure when I leave my bike, and it’s genuinely reduced my anxiety about theft. Exactly what I’ve been looking for!
- AJAndrzej J.Verified BuyerWhat do you use the lock on? E-Bike, MotorcycleWhat do you like about this lock? Angle Grinder Resistance, High SecurityYesterdayWhat do you use the lock on? E-Bike, MotorcycleWhat do you like about this lock? Angle Grinder Resistance, High SecurityRated 5 out of 5 stars100% zadowolony
Polecam
Bardzo dobrze dopracowany U-lock cały pokryty gumą aby nie porysować roweru a do tego wygląda bardzo solidnie
- CBChris B.Verified BuyerWhat do you use the lock on? E-Bike, Mountain BikeWhat do you like about this lock? High Security, Made in Britain, Value for Money4 days agoWhat do you use the lock on? E-Bike, Mountain BikeWhat do you like about this lock? High Security, Made in Britain, Value for MoneyRated 5 out of 5 starsChris
Great product would have liked a longer strap to hold bracket on bike as my e-bike has a very wide top bar .
- ASAdrian S.Verified BuyerWhat do you use the lock on? MotorcycleWhat do you like about this lock? Great Quality, Angle Grinder Resistance, Portable, Flexible1 week agoWhat do you use the lock on? MotorcycleWhat do you like about this lock? Great Quality, Angle Grinder Resistance, Portable, FlexibleRated 5 out of 5 starsBest lock uk
Simple and strong. Fast delivery
- HWHilda W.Verified BuyerWhat do you use the lock on? E-BikeWhat do you like about this lock? Great Quality, Angle Grinder Resistance, High Security1 week agoWhat do you use the lock on? E-BikeWhat do you like about this lock? Great Quality, Angle Grinder Resistance, High SecurityRated 5 out of 5 starsBike lock
Great l9ck but luke most heavy. Dont think you need cover. I did order a holder for the lick but unable to fit to my bike anywhere so has to go in my back pack
- MLMaurice L.Verified BuyerWhat do you use the lock on? Mountain BikeWhat do you like about this lock? Great Quality, Angle Grinder Resistance, Portable1 week agoWhat do you use the lock on? Mountain BikeWhat do you like about this lock? Great Quality, Angle Grinder Resistance, PortableRated 5 out of 5 starslitelok on trek roscoe
Great lock... just squeezes onto my 2024 roscoe. Bought the mount too. Also excellent.
- BTBenjamin T.Verified BuyerWhat do you use the lock on? E-Bike, Commuter/City Bike, Cargo BikeWhat do you like about this lock? Great Quality, High Security1 week agoWhat do you use the lock on? E-Bike, Commuter/City Bike, Cargo BikeWhat do you like about this lock? Great Quality, High SecurityRated 5 out of 5 starsGreat Lock and customer service
This lock gives me great peace of mind when parking my bike outside. It is heavy and large but nothing beats it for the peace of mind and security.
I had an issue where the lock rubber seal was torn and I reached out to customer service. They promptly responded and informed me that it was a user serviceable part. They then sent me replacement seals free of charge (as well as some extras). Nothing beats this level of customer service.
- GJGary J.Verified BuyerWhat do you use the lock on? Mountain Bike, E-BikeWhat do you like about this lock? Great Quality, Value for Money, High Security, Made in Britain1 week agoWhat do you use the lock on? Mountain Bike, E-BikeWhat do you like about this lock? Great Quality, Value for Money, High Security, Made in BritainRated 5 out of 5 starsLitelok X1: Worth Every Penny
The Litelok X1 is hands down one of the best bike locks I’ve ever owned. It’s incredibly well made—solid, reliable, and clearly built to withstand serious attempts at theft. I was so impressed, I bought two. Not because one wasn’t enough, but because peace of mind is priceless.
And just to be extra safe, I park my bike next to Gary, my life-size silverback gorilla. Because let’s be honest—bike theft prevention is 60% locks, 40% psychological warfare. Between the twin Liteloks and Gary’s intimidating presence, my bike isn’t going anywhere.
Highly recommend the X1 to anyone serious about protecting their ride. It’s an investment in security—and sanity.
- JLJustin L.Verified BuyerWhat do you use the lock on? E-Bike, Commuter/City BikeWhat do you like about this lock? Great Quality, Angle Grinder Resistance, Portable1 week agoWhat do you use the lock on? E-Bike, Commuter/City BikeWhat do you like about this lock? Great Quality, Angle Grinder Resistance, PortableRated 5 out of 5 starsNice as Expected
It has a weighted, secure feel to it and a nice semi-soft exterior that feels like it is less likely to scratch your bike. I am much more confident with my bike using this lock.
