Until the recent introduction of the Sold Secure Diamond bike lock rating, Sold Secure used a three-tier rating system to grade the security of different bicycle locks.
Originally this was made up of Sold Secure Bronze, Sold Secure Silver & Sold Secure Gold.
Of these ratings, Sold Secure Bronze was the lowest a bike lock could receive and represents a minimal level of security, for deterring opportunistic thieves.
Sold Secure Gold was the highest rating and was, therefore, the rating which the majority of manufacturers aimed for with their products.
As more and more companies had their locks tested, the Sold Secure Gold category became crowded, which caused confusion amongst cyclists.
With the ever-growing e-bike market, it’s important that cyclists are able to distinguish which are the best bike locks on the market.
Just because two locks bear the same Sold Secure rating doesn’t mean they offer exactly the same level of security for your bike!
This short guide teaches you all about Sold Secure Diamond locks and what they’re suitable for. Towards the bottom of the article, you’ll also find the complete comparison table where you can compare every Sold Secure Diamond rated lock on the market.
I’ll also suggest a few of my favourite Diamond rated locks for anyone looking for a top-rated bike lock.
What Does Sold Secure Diamond Mean?
The Sold Secure Diamond category comprises the best bike locks on the market.
These top rated bike locks offer incredible levels of security for your bike and are some of the strongest bike locks.
I spoke with Guy McCafferey the Sold Secure Lab manager, who let me know what the Sold Secure Diamond means:
“Sold Secure Diamond Products offer attack resistance against a higher complete tool list (aimed at preventing the highest motivated attacks)”.
For comparison, the Sold Secure Gold rating offers: “theft resistance against a higher selected tool list (aimed at preventing dedicated attacks)”
From this, we can take that Sold Secure Gold & Diamond locks both offer very high levels of security.
Both of these security ratings are awarded to locks that offer great levels of protection. But, if you want the best bike lock possible, choose a diamond rated lock from the list above.
Sold Secure Diamond Bike Locks Comparison Table
The table below is the most detailed Sold Secure Diamond comparison table available online.
Sold secure offer the ability to search through Diamond-rated locks on their website, but they don’t offer technical specifications for each lock.
I keep the Sold Secure Diamond table below up to date with new releases so that readers can make the best choice for the security of their bikes.
Some of the links found in the table below are affiliate links, meaning if you click them, you’ll be taken to Amazon or the manufacturer’s website, where you can compare the most up-to-date prices.
If you can’t find the lock you’re looking for, let me know in the comments below.
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Preview | Model | Weight | Width | Length | Shackle Thickness | Warranty Period |
| ABUS 770 230 Smart X | 2.0kg (4.40lb) | 10.8cm (4.25") | 23.0cm (9.05") | 13mm | 2 Years |
| ABUS 770 300 Smart X | 2.2kg (4.85lb) | 10.8cm (4.25") | 30.0cm (11.81") | 13mm | 2 Years |
| ABUS Granit Extreme 59 | 2.7kg (5.95lb) | 11.0cm (4.30") | 26.0cm (10.2") | 16mm | 2 Years |
| ABUS Granit X Plus 540 23 | 1.6kg (3.52lb) | 10.8cm (4.25") | 23.0cm (9.0") | 13mm | 2 Years |
| ABUS Granit X Plus 540 30 | 1.85kg (4.07lb) | 10.8cm (4.25") | 30.0cm (12.0") | 13mm | 2 Years |
| ABUS Granit X-Plus 54 300 | 1.79kg (3.96lb) | 10.8cm (4.25") | 30.0cm (12.0") | 13mm | 2 Years |
| ABUS Granit X-Plus 54 230 | 1.58kg (3.48lb) | 10.8cm (4.25") | 23.0cm (9.0") | 13mm | 2 Years |
| ABUS Granit X-Plus 54 Mini | 1.2kg (2.65lb) | 10.8cm (4.25") | 14.0cm (5.51") | 13mm | 2 Years |
| Almax Series 3 Chain & Squire SS65CS | 3.47kg (7.65lb) | 80.0cm (31.5") | 16mm | 2 Years | |
| Burg Watcher 100D | 0.60kg (1.32lb) | 4.0cm (1.57") | 4.5cm (1.7") | 15.8mm | 2 Years |
| Halfords Advanced | 1.72kg (3.79lb) | 11.1cm (4.33") | 23.0cm (9.0") | 14mm | 2 Years |
| Halfords Advanced + Cable | 1.72kg (3.79lb) | 11.1cm (4.33") | 23.0cm (9.0") | 14mm | 2 Years |
| Hiplok Airlok 1 | 5.1kg (11.24lb) | 10 Years | |||
| Hiplok D1000 | 1.8kg (3.97lb) | 9.2cm (3.62") | 15.5cm (6.1") | 20mm | 10 Years |
| Hiplok DX | 1.1kg (2.44lb) | 8.5cm (3.35") | 15.0cm (5.9") | 14mm | 10 Years |
| Hiplok DX+ | 1.1kg (2.44lb) | 8.5cm (3.35") | 15.0cm (5.9") | 14mm | 10 Years |
| Hiplok DXC | 1.31kg (2.89lb) | 8.5cm (3.35") | 15.0cm (5.9") | 14mm | 10 Years |
| Hiplok DXF | 1.16kg (2.56lb) | 8.5cm (3.35") | 15.0cm (5.9") | 14mm | 10 Years |
| Hiplok DXXL | 6.1kg (13.46lb) | 85.0cm (33.46") | 14mm | 10 Years | |
| Hiplok XL | 5.1kg (11.46lb) | 85.0cm (33.46") | 14mm | 10 Years | |
| Kryptonite New York Fahgettaboutit Chain 1410 | 4.90kg (10.80lb) | 100.0cm (39.3") | 14mm | 10 Years | |
| Kryptonite New York Fahgettaboudit Chain 1415 | 6.92kg (15.25lb) | 150.0cm (59.0") | 14mm | Lifetime | |
| Kryptonite New York Fahgettaboudit Mini | 2.06kg (4.55lb) | 8.3cm (3.25") | 15.3cm (6.0") | 18mm | Lifetime |
| Kryptonite New York Lock M18-WL | 2.76kg (6.1lb) | 10.3cm (3.90") | 26.1cm (10.3") | 18mm | Lifetime |
| Litelok Core Moto 125 | 2.9kg (6.4lb) | 125.0cm (49") | 2 Years | ||
| Litelok Core Moto 150 | 3.4kg (7.4lb) | 150.0cm (59") | 2 Years | ||
| Litelok Core Plus 75 | 1.9kg (4.1lb) | 75.0cm (29") | 2 Years | ||
| Litelok Core Plus 100 | 2.25kg (4.9lb) | 100.0cm (39") | 2 Years | ||
| Magnum Magsolid | 1.61kg (3.55lb) | 11.5cm (4.52") | 23.0cm (9.0") | 14mm | Lifetime |
| Magnum Magsolid with Cable | 1.61kg (3.55lb) | 11.5cm (4.52") | 23.0cm (9.0") | 14mm | Lifetime |
| Magnum Plus Gigantes | 2.5kg (5.51lb) | 11.1cm (4.37") | 26.0cm (10.24") | 16.8mm | Lifetime |
| Masterlock 8278 | 0.93kg (2.05kg) | 8cm (3.15") | 15cm (5.9" ) | 14mm | Lifetime |
| Masterlock 8279 | 1.3kg (2.86lb) | 10.4cm (4.09") | 21.0cm (8.26") | 14mm | Lifetime |
| Milenco Coleraine 12mm | 4.96kg (10.93lb) | 140.0cm (55.11") | 12mm | Lifetime | |
| Milenco Dundrod 14mm | 7.22kg (15.92lb) | 140.0cm (55.11") | 14mm | Lifetime | |
| Milenco Dundrod 16x65 | 1.22kg (2.7lb) | 16mm | Lifetime | ||
| Milenco Dundrod 18 x 230 | 2.48kg (5.47lb) | 11.4cm (4.49") | 23.0cm (9.0") | 18mm | Lifetime |
| Milenco Dundrod Alarm | 5.3kg (11.68lb) | 140.0cm (55.11") | 12mm | Lifetime | |
| OnGuard Brute LS 8000 | 2.02kg (4.45lb) | 11.1cm (4.37") | 26.0cm (10.24") | 16.8mm | Lifetime |
| OnGuard Brute 8001 | 1.86kg (4.10lb) | 11.5cm (4.53") | 20.2cm (7.9") | 16.8mm | Lifetime |
| OnGuard Pitbull LS 8002 | 1.77kg (3.90lb) | 11.4cm (4.50") | 29.2cm (11.5") | 14mm | Lifetime |
| OnGuard Pitbull STD 8003 | 1.61kg (3.50lb) | 11.5cm (4.52") | 23.0cm (9.0") | 14mm | Lifetime |
| OnGuard Pitbull DT 8005 | 1.61kg (3.55lb) | 11.5cm (4.52") | 23.0cm (9.0") | 14mm | Lifetime |
| OnGuard X Series Pitbull LK8005 | 1.61kg (3.55lb) | 11.5cm (4.52") | 23.0cm (9.0") | 14mm | Lifetime |
| OnGuard Pitbull Mini 8006 | 1.42kg (3.13lb) | 9cm (3.55") | 14.0cm (5.52") | 14mm | Lifetime |
| OnGuard Pitbull Mini 8008 | 1.42kg (3.13lb) | 9cm (3.55") | 14.0cm (5.52") | 14mm | Lifetime |
| Oxford Chain 12 | 150.0cm (59.05") | 12mm | 2 Years | ||
| Oxford Harcore XC 13 Chainlock | 150.0cm (59.05") | 13mm | 2 Years | ||
| Oxford HD Max | 0.81kg (1.79lb) | 4cm (1.57") | 5.6cm (2.2") | 14mm | 2 Years |
| Oxford HD Mini | 0.75kg (1.65lb) | 5cm (1.97") | 6.0cm (2.32") | 14mm | 2 Years |
| Oxford Magnum | 10.5cm (4.13") | 20.5cm (8.07") | 16mm | 2 Years | |
| Oxford Magnum | 10.5cm (4.13") | 27.5cm (10.83") | 16mm | 2 Years | |
| Oxford Monster Chain 12 | 5.20kg (11.46lb) | 120.0cm (47.2" ) | 12mm | 2 Years | |
| Oxford Nemesis | 6.76 (14.9lb) | 150.0cm (59.05") | 16mm | 2 Years | |
| Oxford Patriot Chain & Padlock | 150.0cm (59.05") | 12mm | 2 Years | ||
| Oxford Shackle 14 Pro 190 | 1.64kg (3.62lb) | 11.0cm (4.30") |