General Cycling Discussion - Chain vs U lock

Hey all!

I know there are loads of threads on here about bike security, but couldnt find anything about this.

I want the very best security for my beloved bike as it is left outside work everyday.

I plan to get a Kryptonite New York Fahgettaboudit lock, but which is the most secure? the U lock or the chain? (Theyre both level 12 on Kryptonites site).

I dont care about weight or practicality etc.

Just want the lock that is more secure.

Cheers in advance,

mike :)

A properly used U-lock is more secure as there are far fewer places to attack it.

^^^^^^^^^^^^^agree, the U lock generally is less versatile, but is harder to kill. Both chain and u-lock would be outstanding protection, if you really are serious about keeping your bike locked out and safe.

I dont care about weight or practicality etc.

Just want the lock that is more secure.

U-Lock.

You need two different sets of tools to defeat each kind. The tools thieves use on a chain aren't effective on a u-lock, the reverse is true. Taking both ensures that anyone packing only one flavour probably won't be able to beat both locks.

If I were to choose just one out of the two, for whatever reason, it would be the U-lock. Power tools and jacks are not inconspicuous. Chains are easier to cut with more discretion.

As a side note, are you using any really valuable components (peddles, seat, etc.)? If so, a small lock for each one might be in order if your leaving you bike out for more then a couple hours. It pretty easy to steal a nice carbon seat.

Get both.

In before "just buying time"!

Utilize both since the enemy of thieves is time-at-the-crime-scene.
As mentioned, they're likely not hauling around all the tools they need to steal a bicycle with two types of security. Good luck!