What are the best medium-security bike locks for city riding?

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Jul 26, 2019

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3 Options Considered

Best medium-security bike locks for city riding	Price	Weight	Sold Secure rating
-- Kryptonite Kryptolok Series 2	$34.85	2.85 lb	Silver
-- Abus Bordo 6000	$90.99	2.69 lb	Silver
-- Kryptonite Kryptolok Series 2 955 Mini	$45.95	3.90 lb	Silver

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score 2 · Answer 1

Kryptonite Kryptolok Series 2

Top Pro

Keeps wheels safe

There is an included cable with the U Lock, that allows you to secure the other bike wheel (not locked with the U Lock itself), or the seat. This is great for city riders who have quick release wheels, as an unlocked wheel makes for easy theft. See More

Top Con

Heavy...

...but it's normal See More

Specs

Weight:2.85 lb

Sold Secure rating:Silver

Lock type:U-lock

Top Pro

Good for low-risk situations

This u-lock can work well in low-risk situations, or as a secondary lock to secure your wheels or seat, because the diameter of the u-lock is 13mm- can be cut with bolt cutters. See More

Top Con

Can be cut with the biggest bolt cutters

Do not expect this lock to protect your bike in high risk situations (leaving your bike where there's a crowd, especially if your bike attracts thieves attention). The tubes 13mm diameter is not invincible against bolt cutters. See More

Top Pro

Relatively easy to transport

There is an included mount for the U Lock, which allows for one to easily transport the lock with the bike with no further equipment needed. See More

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score 2 · Answer 2

Abus Bordo 6000

Top Pro

Great for medium/low risk situations

This folding lock is a great alternative to u-locks and chain locks of the same security category. If your security risk is medium or low, for example, you have a cheap bike, or you only ever leave it in the hall of your apartment building, the Bordo 6000 will do the job. See More

Top Con

Can be difficult to unfold

The folds on this lock can get tangled, so you might have to spend more time to put it in place than you would using a u-lock or chain lock. See More

Specs

Weight:2.69 lb

Sold Secure rating:Silver

Lock type:Folding

Top Pro

Easier to transport than u-locks or chain locks

As the name suggests, the folding lock folds into a compact bundle, which you can just attach to your bike using the holder it comes with. It's lighter than chain locks, so you won't be carrying as much extra weight with you. See More

Top Con

More expensive than same security level locks

Coming at around $100 it's definitely not the cheapest bike lock with a Sold Secure rating of Silver. See More

Top Pro

Wraps around more objects than a u-lock

The Bordo 6000 can be wrapped around a wide variety of objects, since the shape is relatively malleable. U-locks have a rigid 'u' shape, which you cannot bend to suit the object you're trying to lock on to. See More

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score 1 · Answer 3

Kryptonite Kryptolok Series 2 955 Mini

Top Pro

Good for lower risk situations

The chains on this lock are 9mm in diameter, which makes it good for only quick stops in busy urban areas or low-risk settings. 9mm chains can be cut with bolt cutters. See More

Top Con

Heavier than u-locks

At 9mm diameter and 21.5" length this is not nearly the heaviest chain around, but it's noticeably heavier than most u-locks. See More

Specs

Weight:3.90 lb

Lock type:Chain

Sold Secure rating:Silver

Top Pro

Easy to wrap around objects

This Kryptonite chain has the flexibility of a cable lock. Even at the mini size, it will still be able to wrap around more objects than any u-lock. See More

Top Con

The lock might freeze

Be careful about using this lock in winter conditions. There are some users who report the key-hole freezing shut. See More

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What are the best medium-security bike locks for city riding?

3 Options Considered

Kryptonite Kryptolok Series 2

My Recommendation for Kryptonite Kryptolok Series 2

My Recommendation for Kryptonite Kryptolok Series 2

Keeps wheels safe

Heavy...

Good for low-risk situations

Can be cut with the biggest bolt cutters

Relatively easy to transport

Abus Bordo 6000

My Recommendation for Abus Bordo 6000

My Recommendation for Abus Bordo 6000

Great for medium/low risk situations

Can be difficult to unfold

Easier to transport than u-locks or chain locks

More expensive than same security level locks

Wraps around more objects than a u-lock

Kryptonite Kryptolok Series 2 955 Mini

My Recommendation for Kryptonite Kryptolok Series 2 955 Mini

My Recommendation for Kryptonite Kryptolok Series 2 955 Mini

Good for lower risk situations

Heavier than u-locks

Easy to wrap around objects

The lock might freeze

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