41 Largest U Locks in the World ZJ Series U Locks

Want to get medieval on Potential thieves These ultra massive ULocks are no joke When it comes to sheer size and mass, I don t think any other ULock can compare to these bad boys With a XXXL large 40mm Shackle and weighing 5 pounds for the small and 9 pounds for the large, these Locks are sure to make a potential bike thief s eyes bug out of their head. These come with 2 extra Long Inner groove keys and would definitely require someone to get creative to pick them. Why Lock your bike to a Bike