The Rockbros Bike Lock, A Lightweight, Portable, Combination Lock With Five No one can decode your password except yourself : ROCKBROS bike lock combination can set 100000 possible password which is too hard for any thief to try out. (Initial password 00000) Sturdy Durable: Thickness of 0.7 inches, 6 steel cables inside, each cable contain 7 high-strength steel wire. Lock cylinder is made of zinc alloy as well. This bike lock with combinations has superior sturdiness and durability. Water-proof Anti-rust: Covered with thickened PVC material, you can trustingly put this specialized bike lock outdoor on rainy days without worrying about risk of rust. Soft-touch Protective: The bike lock cable combination is sprayed with rubber paint, matte texture, smooth to touch and will not scratch the bicycle paint. Perfect daily tool: Weight only 0.8lb, nice choice as a daily tool. Use this lightweight bike lock to protect your motorcycles, scooters, skateboards, grills, ladders, gates, lawnmowers, etc.