Popular U-lock style bike lock with reduced-weight design - weighs just 10 oz * Fastest way to lock/unlock bike with no combination to forget; includes two keys * Strong 3/8" steel shackle with scratch-preventing PVC jacket * Inside dimensions 3-1/2"W x 6-1/2" length will immobilize most bikes and motorcycles * Assorted colors - item color may vary from one pictured