The Bulldog DT provides solid security at a decent price. The included 4' cable provides increased versatility when used with this U-lock. It allows you to lock up all parts of your bike at once with no need to remove a wheel or saddle. The mounting bracket makes on-frame portability possible (just toss the cable in your messenger bag or pannier). It isn't the most secure lock reviewed, yet its sturdy enough to resist our attacks using hand tools. And if you're prone to losing your keys, this lock comes with five keys total, giving you more chances to misplace them than any other model.
We tested two other U-lock and cable combos in our review. Our favorite is the Kryptonite KryptoLok Series 2. It costs $5 more, but it's easier to use, and the bracket mounts more streamlined with our bike frame. Otherwise, you can pay just $29 and walk away with the Cocoweb Armbar Combo. For folks on a tight budget, this one offers similar security to the Bulldog and KryptoLook at a lower price. Overall, though, we have no major complaints about the performance of the Bulldog. It's a good lock.