Gizmodo quickly tests the latest generation of bike locks from Abus, Kryptonite, OnGuard and Blackburn.

I own the current model of the Kryptonite Evo Series 4 so I’m glad to see it rates highly. I agree with the reviewer’s assessment of Kyrptonite’s useless mounting bracket.

The full review is here. While the best locks protect against bolt cutters and hacksaws, nothing withstands the angle grinder.