Join Date: Sep 2005
Bikes: Windsor Fens, Giant Seek 0 (2014, Alfine 8 + discs)
None of the locks can be picked with a Bic pen - everyone fixed that hole immediately. OK, you can probably pick up dime store locks that still can be.
There are many locking strategies. The tiny U lock plus chain is one of them. Bigger U locks are fine, I don't know anyone who says they "don't work". You just need to understand their limitations. You use the smallest one you can, so that they can't be forced by inserting a car jack and pumping.
You have to understand that with locks, just like safes, there is nothing that will simply stop theft. All you can do is to slow them down. You want to lock well enough that it's no longer worth it to take your bike.
It's hard to argue with the strategy of "just lock better than the next guy on the rack" either.
Work: the 8 hours that separates bike rides.