Fulfilled by our friends at TiGr LockStrong, Lightweight, Simple, Bicycle SecurityTitanium Bike Lock4 inch X 7 inch locking areaProven bicycle securityPVC coating on bow protects bike frame from scratchesAward winning product designMade in the USA0.9 poundsReinforced Mounting Clip:Attaches to bike frame via water bottle lugsLock snaps in and out easilyRubber bumpers reduce rattleStainless steel bracket reduces flexion1.4 ounces