[paulcole]

First, if you saw through the frame then this bike becomes a lot less useful.

Second, essentially every bike lock can be defeated quickly by somebody who’s motivated with the right tools. Bike locks are theft deterrent, not theft prevention. Make it harder to steal than the bike next to yours and you’re generally good. Leave a bike locked up overnight in a high-theft area and you’re asking for trouble regardless of how it’s locked up.