Come and Check Our Branding Solutions.The lock cylinder is made of sturdy zinc alloy. Covered with thickened PVC material, you can trustingly put this bike lock outdoor on rainy days without worrying about risk of rust. No one can decode your password except yourself, because 5 digit password is just too hard and time-consuming for any thief to try out. The initial password is 00000. it is a nice choice as a daily tool to protect your motorcycles and scooters! Pls check inventory and detailed info before placing your orders.