Titanium sounds exotic but it is actually almost worthless as a lock because it's a soft metal. Their easy to defeat with a stone cutting blade. Titanium is useless as knife because of it's softness thus it won't hold an edge long. A battery powered angle grinder can cut through one of those locks in less then a minute.

There's video of the inventor cutting a U bolt lock then trying to cut his, the U-bolt he used in the demonstration is a cheap Walmart U-bolt!!

Now had he used a Kryptonite New York Fahgettaboudit U-lock he would of had a far different outcome because he would had been up against 18mm of hardened steel, he also would had been in trouble with his demo had he went against the Beast...that is the OnGuard Beast chain lock.

But any of lock can be picked in less then a minute and would look like someone fooling around with his key to a passerby. Picking is becoming more common because locks have become more difficult to defeat otherwise. And no lock will protect your components from being stolen either.

So the best lock actually is buying a cheap $100 used bike, park that one in high risk areas with a mediocre lock and leave the nice one at home.