I use his idea sometimes, that is:
Originally Posted by Tel0004
Some will object that felons might cut the rear rim and tire to remove the lock. Believe me, this just doesn't happen in the real world. It is indeed possible to cut the rim with a hacksaw, working from the outside to the inside, but first, the tire must be removed or cut through. It would be a lot of work to steal a frame without a usable rear wheel, the most expensive part of a bike, after the frame.
I just tried cutting through an old rim, and it took my six minutes with a not-so-sharp hacksaw and a vice. It's not easy but easier than cutting a U-Lock (I'm guessing).