Best Oxford Chain Locks in 2026

No one can decode your password except yourself : ROCKBROS bike lock combination can set 100000 possible password which is too hard for any thief to try out. (Initial password 00000)

Sturdy & Durable: Thickness of 0.7 inches, 6 steel cables inside, each cable contain 7 high-strength steel wire. Lock cylinder is made of zinc alloy as well. This bike lock with combinations has superior sturdiness and durability.

Water-proof & Anti-rust: Covered with thickened PVC material, you can trustingly put this specialized bike lock outdoor on rainy days without worrying about risk of rust.

【Security Design】: With a diameter of 0.18 inches lock body，ROCKBROS helmet lock has high strength and high tenacity for strong cut resistance. The whole-body PVC coating can effectively prevent scratches.

【High Scalability & Reinforced Steel Cable】: The lock chain is highly stretchable and can be stretched up to 60 inches, you can use it freely. The reinforced steel cable provides excellent anti-cutting and anti-theft performance for this lock.

【Perfect Dailly Tool】: This little cable lock can be used to lock helmets, bicycle wheels, strollers, luggages, doors, ladders and any other things you want.

【EASY TO RESET COMBINATIONS】:Resettable 4 dial combination for keyless convenience, it engages and disengage very easily，this bike lock cable easy to reset. Works smoothly, even after lots of rain and high humidity.Just 3 simple steps to set your unique password！

【Small Bike Cable Lock for Your Child】:It was easy to set our combo and we have not had any problems with it. Easy enough for the kids to lock and unlock,We are committed to researching a leisurely and interesting bicycle lock. Don't worry about where your locks are not stored, you can put a small bike lock cable in your child's pocket or school bag.

【LIGHTWEIGHT & CONVENIENT】: When you hate carrying around an extra pound of weight on your rides,But often, when you ride past enticing cafes and want to grab a coffee, read a paper, take in the sunshine, and commingle with other cyclists.THAT is when you want to carry a lightweight lock that still acts as a deterrent to a thief.

✔THICKER CHAIN LOCK: The bike lock chain is made of 5mm thicker strength metal with 420D nylon protective sleeves, which is strong enough to provide an anti-theft performance.

✔HIGH STRENGTH LOCK: The bicycle chain lock has a strong cylinder. It is very durable and corrosion resistance.

✔PROFESSIONAL KEY CARVING: The key is used with the newest carving tech that can use for many years.

✔THICKER CHAIN LOCK: The bike lock chain is made of 5mm thicker strength metal with 420D nylon protective sleeves, which is strong enough to provide an anti-theft performance.

✔HIGH STRENGTH LOCK: The bicycle chain lock has a strong cylinder. It is very durable and corrosion resistance.

✔PROFESSIONAL KEY CARVING: The key is used with the newest carving tech that can use for many years.

Double Open Design-Combination Lock or Key Lock: 4-digit combination locking mechanisms for high security bike lock, our bike chain lock is resettable for 10,000 sets of passwords combination for the lock and the original password is”0000”.What’s more, it come with 2 keys, when you forgot the password, you can use the key to lock and open.

Thicker Bike Lock and Long Enough Chain: The diameter of this bike chain lock is up to about 17.19mm, which is strong enough to provide an anti-theft performance.Besides, the bicycle lock is 3.2ft(96cm) long, you can lock two or more bikes at the same time, which is more convenient.

High quality: This bike lock made of high-strength durable metal material.Zinc alloy lock cylinder, hardened steel material, and covered with ABS plastic,which is strong and sturdy. The heavy duty material makes the lock wear-resistant, rust-proof and cut-resistant.

ADJUSTABLE: 21 inches long zip-tie lock with adjustable design, you can cinch closed to whatever size you need.

PASSWORD: 3-digit resettable combination bike lock for for quick installation and removal. No need to carry the extra key.

QUALITIES: Built-in steel bars in lock body + zinc alloy lock head, Nice light duty theft deterrent, not using it for outdoor long term storage.

5 digits resettable Combo Lock: ROCKBROS bike cable lock features 5 digits combo,there are 10,000 sets of passwords combination for the lock. Internal shrapnel structure,which effectiveLy deal with messy code,the anti-theft performance can be guaranteed. Meanwhile,it is resettable for the password combination and the original password is”00000”

Heavy-Duty Bicycle Lock:The cable lock body is made of 42 strong cables,the diameter is up to 19mm. Thick lock body with complicated combination ensure the high security bicycle cable lock is a great deterrent to stop the bad guy

Premium Material:The steel cable is wrapped in environment-friendly PVC,The zinc alloy lock cylinder is firm and durable with surface electrophoretic back processing ,which is high strength but rustproof.The Code Roulette is made of durable ABS,smooth to lock and unlock One lock works for years.

SECURITY: The zip tie bike lock are made from high strength zinc alloy material, durable enough to withstand regular wear and tear. Nice light duty theft deterrent, do not use it for outdoor long term storage.

EASY TO USE: Key unlock or password unlock these two types of locks for you to choose from, secure your bikes quickly and easily, don't require any special tools or complicated locking mechanisms, so you can quickly lock and unlock your bike without hassle.

MULTIPURPOSE: This combo lock can be used not only to lock bikes and helmets, but also to lock outdoor equipment, secure luggage to a fixed object or secure cabinets, drawers, and other potentially dangerous items away from children.