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OnGuard Bulldog DT Combo U-Lock with Cable

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Product Description

The OnGuard Combo DT U-Lock has the convenience and security of the Bull Dog Combo bike lock, but with a 4 foot steel cable.

The OnGuard U-lock offers strong resistance against leverage and cutting style attacks, while the extra braided steel cable gives you more flexible locking options. You can easily secure quick release wheels or components as well as your frame. A four-digit combination you up to 9,999 numbers to choose from for extra security.

Review | 4.5 / 5

"On the money in terms of top security at a wallet-friendly price" - Bikeradar

Key Features:

  • X2P Double Bolt Locking Mechanism locks shackle on both sides
  • NEW Z-Cylinder is bump-proof and resists picking, pulling or drilling
  • Hefty 13mm (0.51”) hardened steel shackle resists cutting, prying and jacking
  • Rounded design and centred keyway eliminates pry points
  • Double rubber coated crossbar cover protects paint and finishes
  • Extra thick moulded end caps protects against bumps and hits
  • Shackle dimensions: 115mm x 230mm x 13mm (W x H x Diameter)
  • Cable dimension: 120cm x 10mm

Shackle Dimensions:

  • 115mm x 230mm (W x H x Diam) (4.53" x 9.06") x 13mm (0.51")

D Cable Dimensions:

  • 120cm x 10mm (4 x 0.39")

Additional Features:

  • Snap Lock Quick Release multiposition mounting bracket

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

    OnGuard Bulldog DT Combo U-Lock with Cable Reviews

    Write your own review
    Overall Rating:
    4.7
    out of 5
    4.75
    Build Quality
    4.65
    Performance
    4.78
    Value For Money
    4.82

    Customer Reviews (20)

    5
    very satisfied customer
    by Anonymous user on 29/07/2020

    The lock for my brand new bike came promptly and was exactly as described. The instructions to change the combination were clear and I am completely happy

    The lock for my brand new bike came promptly and was exactly as described. The instructions to change the combination were clear and I am completely happy

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    5
    very satisfied customer
    by Anonymous user on 29/07/2020

    The lock for my brand new bike came promptly and was exactly as described. The instructions to change the combination were clear and I am completely happy

    The lock for my brand new bike came promptly and was exactly as described. The instructions to change the combination were clear and I am completely happy

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    4
    Bike Lock from Tredz
    by Anonymous user on 13/07/2020

    We are very happy with the locks we purchased from Tredz. They are excellent value for money.

    We are very happy with the locks we purchased from Tredz. They are excellent value for money.

    Close review
    4.5 out of 5
    Build Quality: 4.5/5
    Performance: 4.5/5
    Value For Money: 4.5/5
    5
    Nice Lock
    by Anonymous user on 01/07/2020

    Good delivery and product is amazing for the price.

    Good delivery and product is amazing for the price.

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    5
    As described
    by Anonymous user on 01/07/2020

    Looks solid, is solid, will act as a good deterrent to wannabe thieving gits

    Looks solid, is solid, will act as a good deterrent to wannabe thieving gits

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    4
    Fine
    by Anonymous user on 20/06/2020

    Very strong lock. The numbers on the barrel to set and re-set the code are small & a bit fiddly. But sensible bike thieves will pass by.

    Very strong lock. The numbers on the barrel to set and re-set the code are small & a bit fiddly. But sensible bike thieves will pass by.

    Close review
    4 out of 5
    Build Quality: 4/5
    Performance: 4/5
    Value For Money: 4/5
    5
    Bulldog DT Combo U-LOck
    by Anonymous user on 16/06/2020

    Very pleased with service delivered promptly , everything as expected and best price around .

    Very pleased with service delivered promptly , everything as expected and best price around .

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    5
    Heavy and solid, easy to lock
    by Mervyn L on 05/06/2020

    Ordered one of these each for the teens' bikes as needed something a bit longer in the shank to lock to our front railings - this does the trick. Also great with the number combo as the kids hadn't been using a U-lock (instead choosing a lightweight chain lock) because they were too lazy to get the key out for our other U-locks, despite a spate of bike thefts on our street. The holder was a bit big and awkward to fit to my daughters' bike in a place that doesn't get in her way while cycling, so she will probably just put it in her bag or leave it at home when she's out riding. Have only been using for a week, but the lock was v easy to set and it is easy to put on and take off the bike, as opposed to our old U-lock with a key which was very fiddly to lock and unlock. Hope it holds up! Great service from Tredz as usual.

    Ordered one of these each for the teens' bikes as needed something a bit longer in the shank to lock to our front railings - this does the trick. Also great with the number combo as the kids hadn't been using a U-lock (instead choosing a lightweight chain lock) because they were too lazy to get the key out for our other U-locks, despite a spate of bike thefts on our street. The holder was a bit big and awkward to fit to my daughters' bike in a place that doesn't get in her way while cycling, so she will probably just put it in her bag or leave it at home when she's out riding. Have only been using for a week, but the lock was v easy to set and it is easy to put on and take off the bike, as opposed to our old U-lock with a key which was very fiddly to lock and unlock. Hope it holds up! Great service from Tredz as usual.

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    3
    difficult
    by Anonymous user on 02/06/2020

    The only thing about this lock i dislike is i find it hard to turn the numbers on the lock and the cable not long enough, but other than that i think it looks strong

    The only thing about this lock i dislike is i find it hard to turn the numbers on the lock and the cable not long enough, but other than that i think it looks strong

    Close review
    3.3 out of 5
    Build Quality: 2.5/5
    Performance: 4/5
    Value For Money: 3.5/5
    5
    On guard bike lock
    by Anonymous user on 01/06/2020

    Really strong with clever quick release holder I have attached to saddle post Not too heavy and definitely a good buy Arrived as promised from Tredz will use them again for any other parts I need.

    Really strong with clever quick release holder I have attached to saddle post Not too heavy and definitely a good buy Arrived as promised from Tredz will use them again for any other parts I need.

    Close review
    5 out of 5
    Build Quality: 5/5
    Performance: 5/5
    Value For Money: 5/5
    < Previous 10 Next 10 > 1 - 10 of 20 reviews

    D-Lock Guide

     

    D-Lock Guide

    Overview

    For use in medium to high crime areas

    A D-Lock (also known as a U-Lock) is the most practical bike lock you can get for peace of mind when you’re at the shops or in work all day.

    D-Locks are ideal for bike security as they offer strong protection against a range of attacks. While some of these locks will be heavy, they are much more portable than a chain lock and far tougher than a cable lock. D Locks are very stiff meaning they’re easy to fit around your bike and a stationary object.

    Most D-Locks come in two parts. You have the shackle made of steel or hardened steel with a diameter up to 18mm. The crossbar contains the locking mechanism and you slide the shackle into the bar and turn the key to fix it in place.


    Size

    D-Lock Size

    A standard D-Lock will easily fit around your bike and normal bike racks. If you have a particularly wide framed bike you can get wider and longer shackles. Alternatively, there is also a range of mini D-Locks are that specifically for use just with a standard bike rack. You won’t be able to fit your bike around a lamppost with a mini.

    For security, it is best to get a D-Lock which will fit your frame and stationary object without leaving too much internal space. A common way for thieves to defeat your D-Lock is by slipping another object like a crowbar inside the shackle and leveraging with enough force to break it open.

    D-lock attached to a lamp post

    Shackle Diameter

    When choosing a D-Lock, the thicker the shackle diameter is, the more secure it is (especially against bolt cutters). However, the trade off is weight. Some very sturdy D-Locks can weigh over 2.5kg. One tip is to lock your bike high on the frame and off the ground to make it harder to use bolt cutters.

    Small diameter d-lock

    13mm & Under:

    Under 13mm shackles can be cropped with most standard bolt cutters while some determination.

    The quality of steel used in the shackle can increase the time this takes. Ideal for quick visits to the shops.

    Medium diameter d-lock

    13mm – 16mm:

    At this diameter it becomes much harder to crop a D-Lock with a standard bolt cutter.

    Good for locking to the bike rack outside the office.

    Large diameter d-lock

    16mm & Over:

    With a shackle this burly only the largest bolt cutter jaws with sustained effort with crack through.

    It’s unlikely a thief will have the time or tools to cut through. Great for locking your bike overnight.


    Locking Mechanism

    Deadbolt Locking

    Most D-Locks will now use a deadbolt locking mechanism. A deadbolt cannot be moved to the open position except by rotating the key.

    Look for a double deadbolt for enhanced security. This means there is a locking bolt on both sides of the crossbar. Locking the shackle on both entry points greatly improves twisting and cutting resistance. Even if a thief cuts through one end of the shackle, it’ll be much harder to twist the shackle out of position.

    Some brands even offer quadruple deadbolt systems which lock the shackle to the crossbar in four places for maximum resistance.

    D-lock being carried in a back pocket

    Construction

    Lock Material

    Almost all D Lock shackles and locking mechanisms are built out of steel. However, some locks will be constructed from hardened steel. By tempering steel if becomes harder and less brittle making it much tougher to cut through.

    Some locks use tempered steel for improved strength

    Sold Secure Rated

    A great way to determine the quality of a bike lock is to see if it is Sold Secure Rated. This is a third party, UK independent rating system for bike locks.

    Lock illustration showing the 3rd highest security rating of Bronze

    Sold Secure Bronze

    Coverage: Up to £500

    Lock illustration showing the 2nd highest security rating of Silver

    Sold Secure Silver

    Coverage: Up to £1,000

    Lock illustration showing the highest security rating of Gold

    Sold Secure Gold

    Coverage: Over £1,000

    An approved lock is graded as Gold, Silver or Bronze. The rating is chosen by how long it takes to break the lock and the tools needed to break it. If you're planning on insuring your bike, many insurers will state you need a Sold Secure rated lock to make a successful claim.

    These values vary between insurance providers so check the terms and conditions of your provider.


    Mounts

    If you commute to work or use your bike daily, then having a mount to fix your lock to your bike frame is a great way to improve portability. Many brands will include easy to use frame mounts with their D-Locks but check the product description first.


    Frame Protection

    D-Locks with vinyl covers, moulded end caps and rubber coatings all ensure that your bike frame is safe from scratches and damage to your paintwork.

    Vinyl-coated Kryptonite lock

    Delivery & Guarantee

    UK Delivery Information

    Please Note: Due to the current circumstances we are experiencing high demand so we may take a little longer than usual to despatch your order. Our Warehouse and Bike Build team are up and running as normal and we are taking active measures to ensure that we are following the government guidance with social distancing and additional health & safety measures have been put in place throughout the business. Please rest assured we will do everything we can to get your order to you as quickly as possible.

    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.

    International Deliveries - Temporarily Suspended 30/3/20

    Covid-19 Update

    During the Covid-19 outbreak we will be stopping all international deliveries until further notice. We will continue deliveries to the UK, Isle of Man, Scottish Highlands, Scottish Islands, Channel Islands, Ireland, Northern Ireland, Isle of Wight, Jersey and Guernsey.

    If you have any queries, please contact our Customer Service Team. The best way to contact us is to use Live Chat by clicking the widget at the bottom right of your screen.

    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 or exchange 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.