It's 14 millimeters thick and weighs only 2. You might not be able to loop the lock through the frame and rear wheel to attach both to your lock-up point, especially if your lock-up point is a thick post or bike rack with particularly thick bars. If you run into that problem, use it with a chain, a second lock, or an add-on cable threaded through your front wheel.
Kryptonite's Evolution Series 4 was a fine chain, but the Abus I picked as the best chain offers better length, security, and weight. The 's centimeter length was a bit short, especially when a chain lock's main advantage over the U-lock should be a greater reach. The Evolution Series 4 has the same millimeter six-sided chain links, but it's centimeters long—closer to the Abus' length—and 3 pounds heavier.
Abus' Granit XPlus was also a fine U-lock, but its metal U was only 13 millimeters thick compared to my top pick, the Kryptonite New York's 16 millimeters, although the Abus was lighter at 3. It has a millimeter-thick chain and millimeter-thick U-lock to secure that front wheel, but it weighs 7. Carrying that much weight just sucks. If you can sweat the poundage, it makes for a stronger combination than the Mini-7 and its weaker front-wheel cable.
You can learn why in the next section. I'm always open to having my opinion changed through thoughtfully worded epithets in the comments section, but I don't see many casual commuters or die-hard cyclists who live in their Lycra choosing folding locks over U-locks in the real world. I urge everyone to use a U-lock unless you simply can't—for instance, if you have to lock up your bike at night in an awkward spot where a U-lock won't reach.
Thicker equals better, so a mm U-lock is, all else equal, a better bet than a mm U-lock. The only trade-off is weight, but U-locks aren't that heavy when compared to other types of locks, which is why I focused on testing only the thicker ones on the market.
Chains are, by far, the heaviest option. I tested the Evolution 4 because it was "only" 6. But Kryptonite's strongest lock is its New York Legend chain, which weighs If you need to use a chain that heavy in a regular parking spot, such as at home or work, consider leaving it locked to something when you take your bike out for a ride, and carry a U-lock with you.
You could save as much as 10 pounds while you're riding by leaving the chain in your parking spot. Helmets Footwear Tops Pants Accessories. Close filters Price from 6. Label New. No results were found for the chosen filtering! Kryptonite Evolution Mini-7 with KryptoFlex cm. Kryptonite Evolution Series 4 Integrated Chain Kryptonite Evolution Mini Kryptonite Stronghold Anchor. Kryptonite Keeper Combo I.
Kryptonite Keeper For shorter commutes, though, we loved its convenience and high security. Weight: 1. Frame mount? No Locking mechanism: 4-digit combination barrel. It also fits smaller waists, down to 26 inches, and bigger waists up to 44 inches. Similar to the Gold, an adjustable hook-and-loop closure allows you to don the lock without unlocking it. The 3. A nylon sheath keeps the chain from scratching your frame.
The integrated Evolution combines the locking mechanism with the chain, forgoing the need for a connecting U-lock and therefore saving weight. The 10mm, six-sided chain links resist cutting, and the disc detainer locking mechanism is designed to resist picks and drills.
The lightweight locks are nearly identical in weight and size—the Bell lock is about 2 inches longer—and both use a three-digit combination.
We found that the number wheels on the Hiplok spun more easily than the Bell lock, but that was the only perceptible difference.
The locks have identical cores as well, a thin metal band. Both locks withstood cutting attempts from household scissors, and both failed immediately when faced with a decent pair of wire cutters or metal shears. This minimalist lock operates like a big zip tie, cinching in place with a three-digit combination. Weight: 0.
Optional Locking mechanism: 3-digit combination. The 0. Bike lock manufacturers use a few popular mechanisms with varying levels of security. Lock picking is an acquired skill, and anecdotal evidence indicates that destructive attacks are much more common. Likewise, an expert with the right tools can get through any bike lock pretty quickly—see LockPickingLawyer or Bosnianbill for a master class in advanced bike lock picking.
We consulted lock-picking expert, Schuyler Towne, to break down the prominent locking mechanisms in order of most to least secure. Also called disc-tumbler locks, these locking mechanisms use a series of slotted rotating discs separated by washers.
Therefore, opening a disc-detainer lock means aligning each individual disc to a relatively precise position, which usually proves more difficult than picking other lock designs.
In a slider lock, inserting a key actuates a series of springless sliders within a plug that correspond to a slot on the outside of the plug. Riding atop the sliders in the slot is a sidebar, which must fall into the slot before the lock can turn. With the key inserted and the sliders in their correct position, the sidebar falls into the slot and the plug turns within the cylinder.
These locks can be high or low security, depending on their construction and number of sliders. This lock has a plug that sits within a cylindrical housing.
The plug and housing contain long pin chambers that allow a series of pins that are spring loaded to move back and forth between the plug and the housing. While locked, pins sit right in between the plug and the housing, preventing the plug from turning. When the key goes into the plug, it lifts up the spring-loaded pins so that they move completely into the plug or housing, leaving a gap between the two that allows the plug to turn.
These locks are susceptible to skilled pickers who can depress each individual pin, but they can also be raked, which requires less skill. This is generally considered the least-secure design. Like a pin-tumbler lock, these locks are susceptible to individual pin picking and raking, but many can be opened using jiggers or model keys , one of which may be close enough to the authentic key. As an Amazon Associate I earn from qualifying purchases.
Read More…. BikeLockWiki is reader-supported. When you buy through links on my site, I may earn an affiliate commission. The aim of this guide is to help you find the lock that works best for you and your bike. Table of Contents. Add a header to begin generating the table of contents. The Oxford Alarm D Max Duo uses a cleverly designed shackle which can attach to almost any position on the frame of your bike. Chain Locks. Bicycle chain locks are another classic when it comes to bicycle security.
This makes most bike chains suitable for securing multiple bikes. Click to enlarge. Folding Bike Locks. Folding bike locks are a relatively new addition to the market. Cable Locks. Cable locks are locks made from multiple strands of woven metal cable.
I wouldn't recommend using a cable lock like the Zefal K-Traz C6 as your primary lock, instead use it to secure your bikes accessories. I would strongly advise against using a cable lock as your only bike lock. Accessory Locks. Hexlox can be used to secure almost all of your bike's components, lock them or lose them!
Combination Bike Locks. Bike Lock Security Ratings. If not, then take a look at their rating badges below and have a read of what each badge means. Sold Secure Bronze — Bronze-rated products offer theft resistance against a basic tool list aimed at preventing opportunist crime Sold Secure Silver — Silver-rated products offer theft resistance against an enhanced tool list aimed at preventing more determined attacks Sold Secure Gold — Gold-rated products offer theft resistance against a higher selected tool list aimed at preventing dedicated attacks Sold Secure Diamond — Diamond-rated products offer attack resistance against a higher complete tool list aimed at preventing the highest motivated attacks.
The Best D Lock. Check Price [Amazon].
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