OnGuard Doberman Lock Combo Coil Lock

Now £18.85
Save 35% RRP: £29.00
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Product Description

Flexible, lightweight and tough, the OnGuard Doberman combo coil lock is ideal for heading to the shops. Flexible coils open up locking areas which a D-lock simply couldn’t so you’ll always find somewhere to park your bike up.

To keep your frame scratch free the Doberman comes with a tough vinyl cable cover. The cylinder and double bolt locking mechanism  offer great resistance against picking, drilling and other physical attacks.

A resettable 4 digit combination gives you up to 10,000 variations to choose from for added security.


  • Doberman Coil - 185cm x 15cm

  • Tough Vinyl Cable Cover Prevents Scratching

  • New M-Key Cylinder Offers Optimum Resistance Against Physical Attack And Picking

  • Double Bolt Locking Mechanism

  • Convenient Strap For Compact Storage

  • Automatic Dust Cover

  • 5 Laser Cut Keys (Inc Micro Light Key)

Occasionally, without notice, manufacturers change product design and/or specifications.

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Cable Lock Guide


Cable Lock Guide


For use in low to medium crime areas

Cable locks are a lightweight, flexible deterrent while you nip to the shops, or relax in the café. These affordable locks are best used in rural and low crime areas to make thieves think twice about lifting your bike. They’re not for locking your bike in high crime areas or for overnight storage.

Many cyclists use cable locks as a secondary locking system to secure components like the front wheel or saddle. A common setup is a D-lock around the bike frame and rear wheels then a cable lock to secure the front wheel to the frame. A cable lock is also a lightweight option for securing your bike to your car bike rack.


Cable Material

The cable itself is usually made from twisted steel. It’s a lightweight and sturdy material for its size, making it a good choice for portable security. More premium locks use high tensile hardened steel which is less flexible but stronger.

Some brands will also use a layer of steel rollers or toughened steel shells covering the steel cable. This will reduce flexibility and add weight, but they’ll be much harder to cut through.

Close up view of a hybrid bike locked up with a Combination cable lock

Cable Diameter

Cables will vary from lock to lock. They can be as thin as 3mm, for a super portable and lightweight design. The sturdiest cables can be 20mm thick. The thicker the cable, the tougher it will be to cut.

A purple bike frame locked up to a post using a combination cable lock

Cable Length

Cable locks can range from under 1 metre up to 2 metres. The length you chose should depend on how and where you’re likely to be securing your bike.

If you’re fixing your bike to a bike rack, then a length under 1 metre will be OK. If you are locking your bike to an obscure object, or you’re locking multiple bikes together, then you’ll want a cable between 1.5 metres and 2 metres.

Foreshortened view of a cable bike lock shown from the lock up

Locking Mechanism

Illustrated image showing a key to represent a key to the cable lock

Key Lock

Keyed locks usually come with two or three spare keys. This is great in case you lose a key, as you will always have a spare.

Some brands like Kryptonite offer a KeySafe programme where they will ship spares to you once you have registered your bike lock.

Illustrated image showing a combination to represent a combination cable lock

Combination Lock

Instead of keys, there is usually a 4-digit combination to open the lock, meaning there are 9,999 different possible combinations.

A combination lock is a great choice for those who are forgetful or simply don’t want to carry around extra keys.


These bike locks are the lightest you can get. They’re much lighter than a chain lock and are lighter than most mini D-locks. The heavier the lock is, the thicker the steel is used within, and the more secure it will be. Cables can range from under 500g up to 1.5kg.

Lighter weight helmets tend to offer more comfort

Frame Protection

Most cable locks will come with some form of covering such as canvas or vinyl coating to help protect your frame from scratches and damage.

A key cable lock locking a bike throught the frame to a post

Delivery & Guarantee

UK Delivery Information

International Deliveries – Temporarily Suspended 11/11/20

Note: We are still offering deliveries to the Isle of Man, Scottish Highlands, Scottish Islands, Channel Islands, Isle of Wight, Jersey and Guernsey. 

Courier Delivery update: Due to the COVID19 situation, we are currently experiencing some delays with deliveries. Our couriers are working around the clock to get your order to you as soon as possible but there is a potential delay of up to 48 hours . Please check your tracking on track your order here.

Please download the TNT Track and Trace App for iOS here and Android here so you can keep an eye on your delivery and any further updates.

Please note on the TNT tracking app it may show your delivery status as ‘Collecting’ (as per image below). This means your delivery has left our warehouse and is currently held at TNT main depot and there could be up to a 48 hour delay.

tnt delivery

Please keep checking the TNT tracking for further updates. On behalf of TNT we apologise for any delay and inconvenience this may cause. 

We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Our standard delivery service is FREE in the UK, regardless of the size and on all orders over £20.

Please note that bulky products and bikes shipped to outlying UK regions are excluded from free shipping.

Please note that Pre-Order dates can sometimes change due to updated stock information.

Click here for more UK and international delivery information.

Returns & Warranty

It's easy to return a product with our 365 day, hassle free returns. 

We will give you a full refund on any item that is returned to us unused/unfitted, in a resaleable condition and in its original packaging (where possible).

Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging.

If your item develops a fault or arrives damaged, please contact us first so we can resolve the issue for you as quickly as possible.

For more information please visit our Returns & Warranty page.