Best Steel Cycling Locks of 2025

Luke Dobson Avatar
Luke Dobson
Last Updated: 8 Feb 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

For cyclists, safety is always a top priority. One way to ensure the safety of their bicycles is by using a reliable lock. Steel cycling locks are a great option for those looking for a durable and secure lock. Made from high-quality steel, these locks are strong enough to resist cutting and drilling. They come in a variety of styles and sizes, making it easy to find one that fits your needs. Whether you're a commuter or a recreational cyclist, investing in a steel cycling lock is a wise decision to protect your bike from theft.

At a Glance: Our Top Picks

SIGTUNA Heavy Duty Bicycle U Lock with Chain Cover #TOP 1
SIGTUNA Heavy Duty Bicycle U Lock with Chain
ftb score rating icon 9.8
Sportneer Heavy Duty Bike D Lock with Cable Cover #TOP 2
Sportneer Heavy Duty Bike D Lock with Cable
ftb score rating icon 9.7
SPGOOD High Security 1200mm Bike Lock Cover #TOP 3
SPGOOD High Security 1200mm Bike Lock
ftb score rating icon 9.5

Top 10 Steel Cycling Locks

SIGTUNA Heavy Duty Bicycle U Lock with Chain

SIGTUNA
Wodan 16mm
Yellow
SIGTUNA Heavy Duty Bicycle U Lock with Chain Cover
SIGTUNA Bike lock - 16mm Heavy Duty Bicycle U Lock Shackle and Mount Holder, 1.2m Steel Chain Cable and 3 High-Security Keys for Road Bike, Electric Bike, Folding Bike, Mountain Bike (Yellow)

The SIGTUNA Bike Lock offers exceptional security for your bicycle, thanks to its robust 16mm high-performance steel construction that resists cutting and leverage attacks. Its advanced pick-resistant design includes a double deadbolt locking mechanism, ensuring that thieves are kept at bay. You can enjoy added protection with the double lock mechanism and a 1.2 metre long cable, which allows you to secure your bike more effectively. With three keys provided, you can conveniently carry one while keeping the others safe at home, giving you peace of mind.

What We Like
High security rating
Double lock mechanism
Durable steel construction
Easy to use and store
Includes three keys
#TOP 2

Sportneer Heavy Duty Bike D Lock with Cable

Sportneer-BL001
Black
Sportneer Heavy Duty Bike D Lock with Cable Cover
Sportneer Bike Lock: 17mm Heavy Duty Bike D Lock with 5Ft/1.2M High Security Steel Cable&Sturdy Mounting Bracket&Key Anti Theft Bicycle Locks for Road Bike, Electric Bike, Mountain Bike, Folding Bike

The Sportneer Bike D Lock offers exceptional security for your bicycle. Constructed from high-performance steel, it resists cutting and leverage attacks, ensuring your bike remains safe from theft. Its durable design features a silicone cover to protect against wear and scratches. The included 5ft steel cable allows you to secure your bike frame, wheels, and accessories, providing versatile locking options. Additionally, the advanced lock cylinder and rust-resistant keys enhance security, giving you peace of mind wherever you park your bike.

What We Like
High cut and leverage resistance
Durable silicone cover
Includes versatile locking cable
Advanced lock cylinder for security

SPGOOD High Security 1200mm Bike Lock

A-black
SPGOOD High Security 1200mm Bike Lock Cover
SPGOOD Bike Lock 1200mm/12mm with 2 Keys,Bicycle Lock with Mounting Bracket,Steel Cycling Cable Lock High Security,Lightweight Coiling Cable Lock for Bike,Scooter,Skateboard,Gate,Door (A-Black)

The SPGOOD Bike Lock offers high security with its 12 mm thick steel cable, providing strong resistance against shearing and corrosion. You can feel confident that your belongings are safe. It comes with two keys for easy operation, and regular lubrication will keep the lock functioning smoothly for a long time. Additionally, the lock is designed for easy carrying, featuring a helical shape that connects conveniently to your bicycle frame. Its scratch and waterproof PVC coating ensures durability, protecting the lock in various weather conditions.

What We Like
High security steel cable
Includes two keys
Lightweight and easy to carry
Scratch and waterproof coating
Versatile for multiple uses

Zeleny High Security 90cm Bike Lock

ZELENY
PC6013
Black-white
Large
Zeleny High Security 90cm Bike Lock Cover
Zeleny Bicycle Lock, Bike Locks High Security with Alloy Steel Thickened Chain and Sturdy Plug, 90cm Bike Chain Lock, 5-Digit Combination Bike Lock for Motorbike Lock Scooter Lock and Fence Gate

The Zeleny Bike Lock offers exceptional security for your bicycle with its high-strength zinc alloy cylinder and plug, ensuring durability against impacts and pressure. Its advanced digital combination wheel, made from resistant ABS material, prevents rust and misalignment, making it easy for you to set and use. The thickened 7 mm galvanised chain resists cutting, providing peace of mind against theft. Additionally, the anti-scratch nylon fabric cover protects your bike frame from scratches, extending its lifespan while you secure it.

What We Like
High-strength materials
Rust-resistant combination wheel
Cut-resistant thick chain
Protects bike frame
#TOP 5

Kryptonite KryptoFlex Anti-Theft Bike Lock Cable

7.20018E+11
Yellow
213cmx10mm
Kryptonite KryptoFlex Anti-Theft Bike Lock Cable Cover
Kryptonite KryptoFlex Security Cable, 2.6FT/4FT/7FT/30FT Long Braided Steel Flex Bike Lock Anti-Theft Cable with Looped Ends for Outdoor Equipment, U-Lock and Padlock, 5mm-10mm Thick

The Kryptonite KryptoFlex Cable is designed for securing your outdoor equipment and quick-release components. With its 213cm length and 10mm thickness, it offers ample flexibility for various locking needs. The weatherproof feature ensures it withstands the elements, making it reliable in all conditions. Additionally, the double-looped design allows compatibility with all Kryptonite U-locks, disc locks, and padlocks, providing you with versatile locking options for enhanced security.

What We Like
Weatherproof for all conditions
Double-looped for versatile use
Compatible with various locks
Flexible length options available

ValueMax High Security Bike D Lock Set

V133020AU
Black Orange
Standard Size
ValueMax High Security Bike D Lock Set Cover
ValueMax Bike Lock - 16mm High Security Bike U Lock, with 1.8m(6FT) Security Bike Cable, Heavy Duty Cycle D Lock and Mount Holder, for Motorcycles/Scooters/Bicycles/Door

The ValueMax Bike Lock offers exceptional security with its 16mm steel shackle, designed to withstand bolt cutters and leverage attacks. The lock features a corrosion-resistant PVC cover, enhancing its durability against various environmental threats. Additionally, the included 1.8m flex steel cable provides added flexibility and protection, allowing you to secure both wheels easily. Its user-friendly U-Shape design ensures easy carrying and storage, while the soft rubberised materials prevent scratches on your bike frame during transit.

What We Like
Heavy-duty and high-security
Flexible steel cable included
Easy to carry and store
Corrosion-resistant design
Suitable for various bike types
#TOP 7

SPGOOD 90 cm Steel Chain Bike Lock

Black
SPGOOD 90 cm Steel Chain Bike Lock Cover
SPGOOD Bike Lock with 3 Keys, Bicycle Lock 90 cm with 6 mm Steel Chain, Bicycle Locks with Waterproof Cover, Anti-Theft High Security Chain Lock for Bicycle, E-Bike, MTB, Motorcycle

The SPGOOD Chain Lock offers excellent security for your bicycle or e-bike. With a 90 cm length and a robust 6 mm thick hardened steel chain, you can secure multiple bikes effectively, deterring potential thieves. Its high-quality nylon cover protects your bike from scratches and UV damage, enhancing durability. Additionally, the waterproof cover design prevents rain and snow from rusting the lock cylinder, ensuring reliable use in all weather conditions. With three keys included, you gain extra convenience and peace of mind.

What We Like
Durable steel chain
Scratch-resistant cover
Waterproof lock design
Includes three keys
Versatile use for various items
#TOP 8

JIMJOOS 1.25m Security Cable Bike Lock

1.25m Cable Lock Extender
Black
1.25m Lock Extender
JIMJOOS 1.25m Security Cable Bike Lock Cover
JIMJOOS 1.25m Security Cable Bike Lock - 10mm Thick Stainless Steel Bicycle Lock Extender - Flexible Vinyl Coated Braided Steel Wire with Sealed Looped Ends Includes Protective Pouch

The JIMJOOS Cable Lock offers ultimate security for your bicycle and other valuables, featuring a 10mm thick stainless steel braided wire designed to withstand theft attempts. Its versatility allows you to secure not just bikes, but also motorbikes and prams, catering to various needs. You can easily extend the security of your combination lock by looping this cable, providing extra layers of protection. Additionally, its lightweight and flexible design means you can carry it effortlessly, ensuring your valuables are always safe without the hassle.

What We Like
Maximum theft protection
Versatile for multiple uses
Lightweight and portable
Weather-resistant materials
User-friendly locking mechanism

H&S Heavy Duty Motorbike Lock with Padlock

H&S
Silver
H&S Heavy Duty Motorbike Lock with Padlock Cover
H&S Heavy Duty Motorbike Lock with Padlock - Anti-Theft Thick 10mm x 1.2m Bike Locks High Security Chain - Bicycle Motorcycle Lock and Padlock with Scratch-Proof Nylon Sleeve

The H&S Motorbike Lock offers exceptional security for your motorcycle or bicycle. Made from strong, durable boron manganese steel, this lock is resistant to cutting, ensuring your vehicle remains safe. Its 1.2 metre chain features 10mm wide links, which effectively prevent leverage attacks, giving you peace of mind. The protective nylon sleeve not only safeguards the lock from wear and tear but also prevents scratches on your bike, allowing you to keep your equipment in pristine condition.

What We Like
Highly secure and durable
Resists cutting and leverage attacks
Scratch-proof nylon sleeve
Versatile for various equipment
#TOP 10

TIJAR Twisted Steel Bike Lock Cable

Black
TIJAR Twisted Steel Bike Lock Cable Cover
TIJAR Bike Lock Cable, Quality Twisted Steel Cable Covered with Water and Scratch Proof Silicone Coated, Ideal for Bikes, Electric Bike, Skateboards, Strollers and Outdoor Equipment (Black)

The TIJAR Bike Lock Cable is made from high-quality twisted steel and features a waterproof and scratch-proof silicone coating. This ensures that your bikes, electric bikes, skateboards, strollers, and other outdoor equipment remain protected from damage. The self-coiling design makes it incredibly easy to carry and lock your items, providing convenience on the go. With a push lock fitting, you only need the keys to unlock, simplifying the locking process for you.

What We Like
Durable twisted steel construction
Scratch-proof silicone coating
Self-coiling for easy transport
Simple push lock fitting
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What bike locks Cannot cut?

Is There a Bike Lock That Can't Be Cut? The Altor SAF and the Skunklock are the two most uncuttable bike locks on the market. Both of these locks employ anti-cut features that make them capable of defeating power tools. These two locks are the strongest and most unbreakable bike locks on the market.

2. Are Kryptonite locks worth it?

The best bike lock With a dual-locking hardened 13 mm shackle, an included cable, and a free year of anti-theft protection, the Kryptonite New-U Evolution Mini-7 is a good deterrent at a reasonable price.

Editor's Notes

During our steel cycling lock research, we found 306 steel cycling lock products and shortlisted 10 quality products. We collected and analyzed 101,474 customer reviews through our big data system to write the steel cycling locks list. We found that most customers choose steel cycling locks with an average price of £11.99.

The steel cycling locks are available for purchase. We have researched hundreds of brands and picked the top brands of steel cycling locks, including SIGTUNA, Sportneer, SPGOOD, ZELENY, Kryptonite. The seller of top 1 product has received honest feedback from 1,225 consumers with an average rating of 4.7.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.